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RTX Corporation, formerly Raytheon Technologies Corporation, is an American multinational
aerospace Aerospace is a term used to collectively refer to the atmosphere and outer space. Aerospace activity is very diverse, with a multitude of commercial, industrial, and military applications. Aerospace engineering consists of aeronautics and astron ...
and
defense Defense or defence may refer to: Tactical, martial, and political acts or groups * Defense (military), forces primarily intended for warfare * Civil defense, the organizing of civilians to deal with emergencies or enemy attacks * Defense industr ...
conglomerate headquartered in
Arlington, Virginia Arlington County, or simply Arlington, is a County (United States), county in the U.S. state of Virginia. The county is located in Northern Virginia on the southwestern bank of the Potomac River directly across from Washington, D.C., the nati ...
. It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of intelligence services. In 2023, the company's seat in
Forbes Global 2000 The ''Forbes'' Global 2000 is an annual ranking of the top 2000 public companies in the world, published by: sales, profit, assets and market value. The list has been published annually since 2003. By country Forbes Global 2000 as of 2023: ...
was 79. RTX manufactures
aircraft engine An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Aircraft using power components are referred to as powered flight. Most aircraft engines are either piston engines or gas turbin ...
s,
avionics Avionics (a portmanteau of ''aviation'' and ''electronics'') are the Electronics, electronic systems used on aircraft. Avionic systems include communications, Air navigation, navigation, the display and management of multiple systems, and the ...
,
aerostructure An aerostructure is a component of an aircraft's airframe. This may include all or part of the fuselage, wings, or flight control surfaces. Companies that specialize in constructing these components are referred to as "aerostructures manufacturer ...
s,
cybersecurity Computer security (also cybersecurity, digital security, or information technology (IT) security) is a subdiscipline within the field of information security. It consists of the protection of computer software, systems and networks from thr ...
solutions,
guided missile A missile is an airborne ranged weapon capable of Propulsion, self-propelled flight aided usually by a propellant, jet engine or rocket motor. Historically, 'missile' referred to any projectile that is thrown, shot or propelled towards a targ ...
s, air defense systems,
satellite A satellite or an artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. They have a variety of uses, including communication relay, weather forecasting, navigation ( GPS), broadcasting, scient ...
s, and drones. The company is a large military contractor, getting much of its revenue from the U.S. government. The company was formed in 2020 by a merger of equals between the aerospace subsidiaries of
United Technologies Corporation United Technologies Corporation (UTC) was an American multinational corporation, multinational list of conglomerates, conglomerate headquartered in Farmington, Connecticut. It researched, developed, and manufactured products in numerous are ...
(UTC) and the
Raytheon Company Raytheon is a business unit of RTX Corporation and is a major List of United States defense contractors, U.S. defense contractor and industrial corporation with manufacturing concentrations in weapons and military and commercial electronics. Fou ...
. Before the merger, UTC spun off its non-aerospace subsidiaries
Otis Elevator Company Otis Worldwide Corporation (trade name, branded as the Otis Elevator Company, its former legal name) styled as OTIS is an American company that develops, manufactures and markets elevators, escalators, moving walkways, and related equipment. ...
and
Carrier Corporation Carrier Global Corporation is an American multinational heating, ventilation, and air conditioning (HVAC), refrigeration, and fire and security equipment corporation based in Palm Beach Gardens, Florida. Carrier was founded in 1915 as an indep ...
. The merged company adopted the better-known name of Raytheon in the form Raytheon Technologies Corporation and transferred headquarters to Waltham, Massachusetts. Former UTC CEO and chairman Gregory J. Hayes is chairman and CEO of the combined company, which renamed Raytheon Technologies Corporation to RTX in July 2023. The company has three units:
Collins Aerospace Collins Aerospace is an American technology company that is one of the world's largest suppliers of aerospace and defense products. It was formed in 2018 from the merger of Rockwell Collins and UTC Aerospace Systems. Headquartered in Charlotte, ...
,
Pratt & Whitney Pratt & Whitney is an American aerospace manufacturer with global service operations. It is a subsidiary of RTX Corporation (formerly Raytheon Technologies). Pratt & Whitney's aircraft engines are widely used in both civil aviation (especially ...
and Raytheon.


History


Raytheon

The Raytheon Company was founded in 1922 in
Cambridge, Massachusetts Cambridge ( ) is a city in Middlesex County, Massachusetts, United States. It is a suburb in the Greater Boston metropolitan area, located directly across the Charles River from Boston. The city's population as of the 2020 United States census, ...
, by Laurence K. Marshall,
Vannevar Bush Vannevar Bush ( ; March 11, 1890 – June 28, 1974) was an American engineer, inventor and science administrator, who during World War II, World War II headed the U.S. Office of Scientific Research and Development (OSRD), through which almo ...
, and Charles G. Smith as the American Appliance Company. Its focus, which was originally on new
refrigeration Refrigeration is any of various types of cooling of a space, substance, or system to lower and/or maintain its temperature below the ambient one (while the removed heat is ejected to a place of higher temperature).IIR International Dictionary of ...
technology, soon shifted to
electronics Electronics is a scientific and engineering discipline that studies and applies the principles of physics to design, create, and operate devices that manipulate electrons and other Electric charge, electrically charged particles. It is a subfield ...
. The company's first product was a gaseous (
helium Helium (from ) is a chemical element; it has chemical symbol, symbol He and atomic number 2. It is a colorless, odorless, non-toxic, inert gas, inert, monatomic gas and the first in the noble gas group in the periodic table. Its boiling point is ...
)
rectifier A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as ''rectification'', since it "straightens" t ...
that was based on Charles Smith's earlier
astronomical Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest include ...
research of the star
Zeta Puppis Zeta Puppis (ζ Puppis, abbreviated Zeta Pup, ζ Pup), formally named Naos , is the brightest star in the constellation of Puppis. The spectral class of O4 means this is one of the hottest, and most luminous, stars ...
.Otto J. Scott, The Creative Ordeal, (New York, Atheneum, 1974),16–32 The electron tube was christened with the name ''Raytheon'' ("light of/from the gods") and was used in a
battery eliminator An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) is a type of external power supply, often enclosed in a case similar to an AC power plugs and sockets, AC plug. AC adapters deliver electri ...
, a type of radio-receiver
power supply A power supply is an electrical device that supplies electric power to an electrical load. The main purpose of a power supply is to convert electric current from a source to the correct voltage, electric current, current, and frequency to power ...
that plugged into the
power grid ''Power Grid'' is the English-language version of the second edition of the multiplayer German-style board game ''Funkenschlag'', designed by Friedemann Friese and first released in 2004. ''Power Grid'' was released by Rio Grande Games. I ...
in place of large batteries. This made it possible to convert household
alternating current Alternating current (AC) is an electric current that periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current (DC), which flows only in one direction. Alternating current is the form in w ...
to
direct current Direct current (DC) is one-directional electric current, flow of electric charge. An electrochemical cell is a prime example of DC power. Direct current may flow through a conductor (material), conductor such as a wire, but can also flow throug ...
for radios and thus eliminate the need for expensive, short-lived batteries. In 1925, the company changed its name to Raytheon Manufacturing Company and began marketing its rectifier under the Raytheon brand name, with commercial success. In 1928, Raytheon merged with Q.R.S. Company, an American manufacturer of electron tubes and switches, to form the successor of the same name, Raytheon Manufacturing Company. By the 1930s, it had already grown to become one of the world's largest vacuum tube manufacturing companies. In 1933 it diversified by acquiring Acme-Delta Company, a producer of
transformer In electrical engineering, a transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple Electrical network, circuits. A varying current in any coil of the transformer produces ...
s, power equipment, and electronic
auto parts This is a list of auto parts, which are manufactured components of automobiles. This list reflects both fossil-fueled cars (using internal combustion engines) and electric vehicles; the list is not exhaustive. Many of these parts are also used o ...
. During World War II, Raytheon mass-manufactured
magnetron The cavity magnetron is a high-power vacuum tube used in early radar systems and subsequently in microwave oven, microwave ovens and in linear particle accelerators. A cavity magnetron generates microwaves using the interaction of a stream of ...
tubes for use in microwave radar sets and then complete radar systems. At war's end in 1945, the company was responsible for about 80 percent of all magnetrons manufactured. During the war, Raytheon also pioneered the production of shipboard radar systems, particularly for submarine detection. Raytheon ranked 71st among United States corporations in the value of World War II military production contracts. Peck, Merton J. & Scherer, Frederic M. ''The Weapons Acquisition Process: An Economic Analysis'' (1962)
Harvard Business School Harvard Business School (HBS) is the graduate school, graduate business school of Harvard University, a Private university, private Ivy League research university. Located in Allston, Massachusetts, HBS owns Harvard Business Publishing, which p ...
p.619
In 1945, Raytheon's
Percy Spencer Percy Spencer (July 19, 1894 – September 8, 1970) was an American physicist, electrical engineer and inventor, known as the inventor of the microwave oven. Early life Spencer was born in Howland, Maine. Eighteen months later, Spencer's fathe ...
invented the
microwave oven A microwave oven, or simply microwave, is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. This induces Dipole#Molecular dipoles, polar molecules in the food to rotate and ...
by discovering that the magnetron could rapidly heat food. In 1947, the company demonstrated the Radarange microwave oven for commercial use. After the war, Raytheon developed the first
guidance system A guidance system is a virtual or physical device, or a group of devices implementing a controlling the movement of a ship, aircraft, missile, rocket, satellite, or any other moving object. Guidance is the process of calculating the changes in pos ...
for a missile that could intercept a flying target. In 1948, Raytheon began to manufacture
guided missile A missile is an airborne ranged weapon capable of Propulsion, self-propelled flight aided usually by a propellant, jet engine or rocket motor. Historically, 'missile' referred to any projectile that is thrown, shot or propelled towards a targ ...
s, including the SAM-N-2 Lark, and eventually the air-to-air
AIM-7 Sparrow The AIM-7 Sparrow (Air Intercept Missile) is an American medium-range semi-active radar homing air-to-air missile operated by the United States Air Force, United States Navy, United States Marine Corps, and various other air forces and navies. Sp ...
, and the ground-to-air
MIM-23 Hawk The Raytheon MIM-23 HAWK ("Homing All the Way Killer") is an American medium-range surface-to-air missile. It was designed to be a much more mobile counterpart to the MIM-14 Nike Hercules, trading off range and altitude capability for a much sm ...
missiles. In 1959, Raytheon acquired the marine electronics company Apelco Applied Electronics, which significantly increased its strength in commercial marine navigation and radio gear, and changed its name to Raytheon Company. During the post-war years, Raytheon also made generally low- to medium-powered radio and television
transmitter In electronics and telecommunications, a radio transmitter or just transmitter (often abbreviated as XMTR or TX in technical documents) is an electronic device which produces radio waves with an antenna (radio), antenna with the purpose of sig ...
s and related equipment for the commercial market. In the 1950s, Raytheon began manufacturing
transistor A transistor is a semiconductor device used to Electronic amplifier, amplify or electronic switch, switch electrical signals and electric power, power. It is one of the basic building blocks of modern electronics. It is composed of semicondu ...
s, including the CK722, priced for and marketed to hobbyists. Under the direction of Thomas L. Phillips in 1965, it acquired Amana Refrigeration, Inc., a manufacturer of
refrigerators A refrigerator, commonly shortened to fridge, is a commercial and home appliance consisting of a thermally insulated compartment and a heat pump (mechanical, electronic or chemical) that transfers heat from its inside to its external envir ...
and
air conditioners Air conditioning, often abbreviated as A/C (US) or air con (UK), is the process of removing heat from an enclosed space to achieve a more comfortable interior temperature, and in some cases, also controlling the humidity of internal air. Air c ...
. Using the Amana brand name and its distribution channels, Raytheon began selling the first countertop household
microwave oven A microwave oven, or simply microwave, is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. This induces Dipole#Molecular dipoles, polar molecules in the food to rotate and ...
in 1967 and became a dominant manufacturer in the microwave oven business. In 1991, during the
Persian Gulf War , combatant2 = , commander1 = , commander2 = , strength1 = Over 950,000 soldiers3,113 tanks1,800 aircraft2,200 artillery systems , page = https://www.govinfo.gov/content/pkg/GAOREPORTS-PEMD-96- ...
, Raytheon's Patriot missile received great international exposure. It was credited for downing Iraqi
Scud missile A Scud missile is one of a series of tactical ballistic missiles developed by the Soviet Union during the Cold War. It was exported widely to both Second and Third World countries. The term comes from the NATO reporting name attached to the m ...
s. The exposure resulted in a substantial increase in sales for the company outside the United States. By 2006, Raytheon reported $283.9 million in global revenues for its Patriot missile system. In an effort to establish leadership in the defense electronics business, Raytheon purchased in quick succession Dallas-based
E-Systems Raytheon Intelligence, Information, and Services (RIIS or IIS) is a business unit of Raytheon Company headquartered in Dulles, Virginia. IIS specializes in intelligence, surveillance, and reconnaissance, advanced cybersecurity services; weather ...
(1995);
Chrysler Corporation FCA US, LLC, doing business as Stellantis North America and known historically as Chrysler ( ), is one of the " Big Three" automobile manufacturers in the United States, headquartered in Auburn Hills, Michigan. It is the American subsidiary of ...
's defense electronics and aircraft-modification businesses, and the defense unit of
Texas Instruments Texas Instruments Incorporated (TI) is an American multinational semiconductor company headquartered in Dallas, Texas. It is one of the top 10 semiconductor companies worldwide based on sales volume. The company's focus is on developing analog ...
, Defense Systems & Electronics Group (1997). The businesses were purchased for $2.3 billion and $2.95 billion, respectively. Also in 1997, Raytheon acquired the aerospace and defense business of
Hughes Aircraft Company The Hughes Aircraft Company was a major American aerospace and defense contractor founded on February 14, 1934 by Howard Hughes in Glendale, California, as a division of the Hughes Tool Company. The company produced the Hughes H-4 Hercules air ...
from Hughes Electronics Corporation, a subsidiary of
General Motors General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. The company is most known for owning and manufacturing f ...
, which included a number of product lines previously purchased by Hughes Electronics, including the former
General Dynamics General Dynamics Corporation (GD) is an American publicly traded aerospace and defense corporation headquartered in Reston, Virginia. As of 2020, it was the fifth largest defense contractor in the world by arms sales and fifth largest in the Unit ...
missile A missile is an airborne ranged weapon capable of self-propelled flight aided usually by a propellant, jet engine or rocket motor. Historically, 'missile' referred to any projectile that is thrown, shot or propelled towards a target; this ...
business (Pomona facility), the defense portion of
Delco Electronics Delco Electronics Corporation was the automotive electronics design and manufacturing subsidiary of General Motors based in Kokomo, Indiana, that manufactured ''Delco'' Automobile radios and other electric products found in GM cars. In 1972, Gen ...
(Delco Systems Operations), and Magnavox Electronic Systems. Raytheon also divested itself of several nondefense businesses in the 1990s, including Amana Refrigeration and Seismograph Service Ltd (sold to
Schlumberger Schlumberger (), doing business as SLB, is a global multinational oilfield services company. Founded in France in 1926, the company is now incorporated as Schlumberger NV in Willemstad, Curaçao, with principal executive offices in Houston ...
- Geco-Prakla). In November 2007, Raytheon purchased robotics company
Sarcos Palladyne AI Corp. (formerly Sarcos Technology and Robotics Corporation) is an American company known for most of its existence primarily as a developer of robots. Palladyne was founded in 1983 as Sarcos Research Corporation. In 2023, Sarcos "pi ...
, and in October 2009, Raytheon acquired
BBN Technologies Raytheon BBN (originally Bolt, Beranek and Newman, Inc.) is an American research and development company based in Cambridge, Massachusetts. In 1966, the Franklin Institute awarded the firm the Frank P. Brown Medal, in 1999 BBN received the ...
. In December 2010, Applied Signal Technology agreed to be acquired by Raytheon for $490 million. In October 2014, Raytheon beat rivals
Lockheed Martin The Lockheed Martin Corporation is an American Arms industry, defense and aerospace manufacturer with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta on March 15, 1995. It is headquartered in North ...
and
Northrop Grumman Northrop Grumman Corporation is an American multinational Aerospace manufacturer, aerospace and Arms industry, defense company. With 97,000 employees and an annual revenue in excess of $40 billion, it is one of the world's largest Arms industry ...
for a contract to build 3DELRR, a next-generation long-range radar system, for the
US Air Force The United States Air Force (USAF) is the Air force, air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its ori ...
worth an estimated $1 billion. The contract award involved the construction of next-generation radar that can track aircraft, missiles, and remotely piloted aircraft. It was immediately protested by Raytheon's competitors. After re-evaluating the bids following the protests, the
US Air Force The United States Air Force (USAF) is the Air force, air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its ori ...
decided to delay awarding the 3DELRR EMD contract until 2017 and was to issue an amended solicitation at the end of July 2016. In 2017 the Air Force again awarded the contract to Raytheon. In May 2015, Raytheon acquired cybersecurity firm Websense, Inc. from Vista Equity Partners for $1.9 billion and combined it with RCP, formerly part of its IIS segment to form Raytheon, Websense. In October 2015, Raytheon, Websense acquired Foreground Security, a provider of security operations centers, managed security service solutions and cybersecurity professional services, for $62 million. In January 2016, Raytheon, Websense acquired the firewall provider Stonesoft from
Intel Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California, and Delaware General Corporation Law, incorporated in Delaware. Intel designs, manufactures, and sells computer compo ...
Security for an undisclosed amount and renamed itself to Forcepoint. In July 2016, Poland's Defence Minister
Antoni Macierewicz Antoni Macierewicz (; born 3 August 1948) is a Polish politician and the former Minister of National Defence. He previously served as the Minister of Internal Affairs, Head of the Military Counterintelligence Service, and Minister of State in ...
planned to sign a letter of intent with Raytheon for a $5.6 billion deal to upgrade its Patriot missile-defence shield, and in 2017, Saudi Arabia signed business deals worth billions of dollars with multiple American companies, including Raytheon. In February 2020, Raytheon completed the first radar antenna array for the US Army's new missile defense radar, known as the Lower Tier Air and Missile Defense Sensor (LTAMDS), to replace the service's Patriot air and missile defense system sensor.


United Technologies Corporation

In 1929, William Boeing's Boeing Airplane & Transport Corporation teamed up with
Frederick Rentschler Frederick Brant Rentschler (November 8, 1887 – April 25, 1956) was an American aircraft engine designer, aviation engineer, industrialist, and the founder of Pratt & Whitney Aircraft. Rentschler created and manufactured many revolutiona ...
's
Pratt & Whitney Pratt & Whitney is an American aerospace manufacturer with global service operations. It is a subsidiary of RTX Corporation (formerly Raytheon Technologies). Pratt & Whitney's aircraft engines are widely used in both civil aviation (especially ...
to form the
United Aircraft and Transport Corporation The United Aircraft and Transport Corporation was formed in 1929, when William Boeing of Boeing Airplane & Transport Corporation teamed up with Frederick Rentschler of Pratt & Whitney to form a large, vertically-integrated, amalgamated firm, ...
, a large,
vertically integrated In microeconomics, management and international political economy, vertical integration, also referred to as vertical consolidation, is an arrangement in which the supply chain of a company is integrated and owned by that company. Usually each ...
, amalgamated firm, uniting business interests in all aspects of
aviation Aviation includes the activities surrounding mechanical flight and the aircraft industry. ''Aircraft'' include fixed-wing and rotary-wing types, morphable wings, wing-less lifting bodies, as well as lighter-than-air aircraft such as h ...
—a combination of aircraft engine and airframe manufacturing and
airline An airline is a company that provides civil aviation, air transport services for traveling passengers or freight (cargo). Airlines use aircraft to supply these services and may form partnerships or Airline alliance, alliances with other airlines ...
business, to serve all aviation markets, both
civil aviation Civil aviation is one of two major categories of flying, representing all non-military and non-state aviation, which can be both private and commercial. Most countries in the world are members of the International Civil Aviation Organization and ...
(cargo, passenger,
private Private or privates may refer to: Music * "In Private", by Dusty Springfield from the 1990 album ''Reputation'' * Private (band), a Denmark-based band * "Private" (Ryōko Hirosue song), from the 1999 album ''Private'', written and also recorded ...
,
air mail Airmail (or air mail) is a mail transport service branded and sold on the basis of at least one leg of its journey being by air. Airmail items typically arrive more quickly than surface mail, and usually cost more to send. Airmail may be the ...
) and
military aviation Military aviation is the design, development and use of military aircraft and other flying machines for the purposes of conducting or enabling aerial warfare, including national airlift (air cargo) capacity to provide military logistics, logist ...
. After the
Air Mail scandal The Air Mail scandal, also known as the Air Mail fiasco, was a political controversy that erupted in 1934 following a United States Congress, congressional investigation into the awarding of airmail contracts to select airlines. The scandal inte ...
of 1934, the U.S. government concluded that such large holding companies as United Aircraft and Transport were anti-competitive, and new
antitrust Competition law is the field of law that promotes or seeks to maintain market competition by regulating anti-competitive conduct by companies. Competition law is implemented through public and private enforcement. It is also known as antitrust l ...
laws were passed forbidding airframe or engine manufacturers from having interests in airlines.
United Aircraft Corporation The PJSC United Aircraft Corporation (UAC) () is a Russian Aerospace manufacturer, aerospace and Arms industry, defense corporation. With a majority stake belonging to the Russian government, it consolidates Russian private and state-owned Russ ...
was formed in 1934 from United Aircraft and Transport's manufacturing interests east of the
Mississippi River The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Ita ...
(Pratt & Whitney, Sikorsky, Vought, and
Hamilton Standard Hamilton Standard was an American aircraft propeller (aircraft), propeller parts supplier. It was formed in 1929 when United Aircraft and Transport Corporation consolidated Hamilton Aero Manufacturing and Standard Steel Propeller into the Hamilto ...
Propeller Company), headquartered in
Hartford Hartford is the List of capitals in the United States, capital city of the U.S. state of Connecticut. The city, located in Hartford County, Connecticut, Hartford County, had a population of 121,054 as of the 2020 United States census, 2020 ce ...
with
Frederick Rentschler Frederick Brant Rentschler (November 8, 1887 – April 25, 1956) was an American aircraft engine designer, aviation engineer, industrialist, and the founder of Pratt & Whitney Aircraft. Rentschler created and manufactured many revolutiona ...
, founder of Pratt & Whitney, as president.Herman, Arthur. ''Freedom's Forge: How American Business Produced Victory in World War II,'' p. 6, Random House, New York, NY, 2012. . United Aircraft became a component of the
Dow Jones Industrial Average The Dow Jones Industrial Average (DJIA), Dow Jones, or simply the Dow (), is a stock market index of 30 prominent companies listed on stock exchanges in the United States. The DJIA is one of the oldest and most commonly followed equity indice ...
on March 4, 1939, when United Aircraft and
AT&T AT&T Inc., an abbreviation for its predecessor's former name, the American Telephone and Telegraph Company, is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the w ...
were added to replace
Nash Motors Nash Motors Company was an American automobile manufacturer based in Kenosha, Wisconsin from 1916 until 1937. From 1937 through 1954, Nash Motors was the automotive division of Nash-Kelvinator. As sales of smaller firms declined after 1950 in ...
and
International Business Machines International Business Machines Corporation (using the trademark IBM), nicknamed Big Blue, is an American Multinational corporation, multinational technology company headquartered in Armonk, New York, and present in over 175 countries. It is ...
. The company and its successors remained a component of the Dow Jones Industrial Average through August 2020. It was announced that starting August 31, 2020, Raytheon Technologies would be substituted in the
Dow Jones Industrial Average The Dow Jones Industrial Average (DJIA), Dow Jones, or simply the Dow (), is a stock market index of 30 prominent companies listed on stock exchanges in the United States. The DJIA is one of the oldest and most commonly followed equity indice ...
by
Honeywell International Honeywell International Inc. is an American public company, publicly traded, multinational corporation, multinational conglomerate (company), conglomerate corporation headquartered in Charlotte, North Carolina. It primarily operates in four are ...
. During World War II, United Aircraft ranked sixth among United States corporations in the value of wartime production contracts. At the close of the war, United Aircraft entered the emerging markets for
jet engine A jet engine is a type of reaction engine, discharging a fast-moving jet (fluid), jet of heated gas (usually air) that generates thrust by jet propulsion. While this broad definition may include Rocket engine, rocket, Pump-jet, water jet, and ...
s and
helicopter A helicopter is a type of rotorcraft in which Lift (force), lift and thrust are supplied by horizontally spinning Helicopter rotor, rotors. This allows the helicopter to VTOL, take off and land vertically, to hover (helicopter), hover, and ...
s, via Pratt & Whitney and Sikorsky, respectively. In the 1950s, United Aircraft began developing jet engines, including the
Pratt & Whitney J57 The Pratt & Whitney J57 (company designation: JT3C) is an axial-flow turbojet engine developed by Pratt & Whitney in the early 1950s. The J57 (first run January 1950) was the first 10,000 lbf (45 kN) thrust class engine in the United State ...
, the most powerful jet engine on the market for some years. In the 1960s, Pratt & Whitney produced the
Pratt & Whitney JT9D The Pratt & Whitney JT9D engine was the first high bypass ratio jet engine to power a wide-body airliner. Its initial application was the Boeing 747-100, the original "Jumbo Jet". It was Pratt & Whitney's first high-bypass-ratio turbofan. Deve ...
for the
Boeing 747 The Boeing 747 is a long-range wide-body aircraft, wide-body airliner designed and manufactured by Boeing Commercial Airplanes in the United States between 1968 and 2023. After the introduction of the Boeing 707, 707 in October 1958, Pan Am ...
. In 1974,
Harry Jack Gray Harry Jack Gray (November 18, 1919 – July 8, 2009) was an American business manager and philanthropist, best known as CEO and chairman of United Technologies. He was born Harry Jack Grusin in Milledgeville Crossroads, Georgia. His mother, Bertha ...
left
Litton Industries Litton Industries, Inc., was an American defense contractor that specialized in shipbuilding, aerospace, electronic components, and information technology. The company was founded in 1953 and was named after inventor Charles Litton Sr., who was ...
to become the CEO of United Aircraft. He pursued a strategy of growth and diversification, changing the parent corporation's name to United Technologies Corporation (UTC) in 1975 to reflect the intent to diversify into numerous
high tech High technology (high tech or high-tech), also known as advanced technology (advanced tech) or exotechnology, is technology that is at the state of the art, cutting edge: the highest form of technology available. It can be defined as either the ...
fields beyond aerospace.. (The change became official on May 1, 1975.) The diversification was partially to balance civilian business against any overreliance on military business. UTC became a
mergers and acquisitions Mergers and acquisitions (M&A) are business transactions in which the ownership of a company, business organization, or one of their operating units is transferred to or consolidated with another entity. They may happen through direct absorpt ...
(M&A)–focused organization, with various forced takeovers of unwilling smaller corporations. The next year (1976), UTC forcibly acquired Otis Elevator.. In 1979, Carrier Refrigeration was acquired;. At one point the military portion of UTC's business, whose sensitivity to "excess profits" and boom/bust demand drove UTC to diversify away from it, actually carried the weight of losses incurred by the commercial M&A side of the business. Although M&A activity was not new to United Aircraft, the M&A activity of the 1970s and 1980s was higher-stakes and arguably unfocused. Rather than aviation being the central theme of UTC businesses,
high tech High technology (high tech or high-tech), also known as advanced technology (advanced tech) or exotechnology, is technology that is at the state of the art, cutting edge: the highest form of technology available. It can be defined as either the ...
(of any type) was the new theme. Some Wall Street watchers questioned the true value of M&A at almost any price, seemingly for its own sake. In 1999, UTC acquired
Sundstrand Corporation Sundstrand Corporation was founded in 1926 as a merger of two companies started by Swedish immigrants: the Rockford Tool Company and the Rockford Milling Machine Company in Rockford, Illinois. It was known as Sundstrand Machine Tool Company until ...
and merged it into UTC's Hamilton Standard unit to form Hamilton Sundstrand. In 2003, UTC entered the fire and security business by purchasing Chubb Security. In 2004, UTC acquired the Schweizer Aircraft Corporation which planned to operate as a wholly owned subsidiary under their
Sikorsky Aircraft Sikorsky Aircraft is an American aircraft manufacturer based in Stratford, Connecticut. It was established by the Russian-American aviation pioneer Igor Sikorsky in 1923, and was among the first companies to manufacture helicopters for civilian ...
division. In 2005, UTC further pursued its stake in the fire and security business by purchasing
Kidde Kidde () is an American multinational company that manufactures and distributes fire detection and suppression equipment, as well as smoke and CO alarm units. Kidde is one of America's largest manufacturers of smoke alarms and fire safety pro ...
. Also in 2005, UTC acquired Boeing's
Rocketdyne Rocketdyne is an American rocket engine design and production company headquartered in Canoga Park, California, Canoga Park, in the western San Fernando Valley of suburban Los Angeles, California, Los Angeles, in southern California. Rocketdyne ...
division, which was merged into the
Pratt & Whitney Pratt & Whitney is an American aerospace manufacturer with global service operations. It is a subsidiary of RTX Corporation (formerly Raytheon Technologies). Pratt & Whitney's aircraft engines are widely used in both civil aviation (especially ...
business unit and renamed
Pratt & Whitney Rocketdyne Pratt & Whitney Rocketdyne (PWR) was an American company that designed and produced rocket engines that use liquid rocket propellants, liquid propellants. It was a division of Pratt & Whitney, a fully owned subsidiary of United Technologies Corpo ...
(later sold to
Aerojet Aerojet was an American rocket and missile propulsion manufacturer based primarily in Rancho Cordova, California, with divisions in Redmond, Washington, Orange and Gainesville in Virginia, and Camden, Arkansas. Aerojet was owned by GenCorp, ...
and merged into
Aerojet Rocketdyne Aerojet Rocketdyne is a subsidiary of American Arms industry, defense company L3Harris that manufactures rocket, Hypersonic flight, hypersonic, and electric propulsive systems for space, defense, civil and commercial applications. Aerojet traces ...
). In November 2008, UTC's
Carrier Corporation Carrier Global Corporation is an American multinational heating, ventilation, and air conditioning (HVAC), refrigeration, and fire and security equipment corporation based in Palm Beach Gardens, Florida. Carrier was founded in 1915 as an indep ...
acquired NORESCO, an
energy service company An energy service company (ESCO) is a company that provides a broad range of energy solutions including designs and implementation of energy savings projects, retrofitting, energy conservation, energy infrastructure outsourcing, power generat ...
. In 2010, UTC conducted its largest acquisition to date,
General Electric General Electric Company (GE) was an American Multinational corporation, multinational Conglomerate (company), conglomerate founded in 1892, incorporated in the New York (state), state of New York and headquartered in Boston. Over the year ...
's security equipment business for US$1.8 billion, a move to support UTC's Fire & Security unit. The main citation is for Page A1; Page A8 appear
in this clipping
In September 2011, UTC acquired an $18.4 billion deal (including $1.9 billion in net debt assumed) for aircraft components maker
Goodrich Corporation The Goodrich Corporation, formerly the B.F. Goodrich Company, was an American manufacturing company based in Charlotte, North Carolina. Founded in Akron, Ohio in 1870 as Goodrich, Tew & Co. by Benjamin Goodrich, Dr. Benjamin Franklin Go ...
. In July 2012, United Technologies acquired Goodrich and merged it with Hamilton Sundstrand, forming
UTC Aerospace Systems UTC Aerospace Systems (UTAS) was one of the world’s largest suppliers of aerospace and defense products, headquartered in Charlotte, North Carolina, United States. The company was formed in August 2012 when parent United Technologies Corporatio ...
. In November 2018, UTC acquired
Rockwell Collins Rockwell Collins, Inc. was a multinational corporation headquartered in Cedar Rapids, Iowa, providing avionics and information technology systems and services to government agencies and aircraft manufacturers. It was formed when the Collins Radi ...
for $23 billion ($30 billion including Rockwell Collins' net debt). As part of the deal,
Pratt and Whitney Pratt & Whitney is an American aerospace manufacturer with global service operations. It is a subsidiary of RTX Corporation (formerly Raytheon Technologies). Pratt & Whitney's aircraft engines are widely used in both civil aviation (especially a ...
and the newly-formed
Collins Aerospace Collins Aerospace is an American technology company that is one of the world's largest suppliers of aerospace and defense products. It was formed in 2018 from the merger of Rockwell Collins and UTC Aerospace Systems. Headquartered in Charlotte, ...
remained under United Technologies, while Otis Elevator and UTC Climate, Controls & Security (doing business as Carrier) were spun off as two independent companies. The spin off was completed in March 2020.


Raytheon Technologies

In June 2019, United Technologies announced the intention to merge with the Raytheon Company. The combined company, valued at more than $100 billion after planned spinoffs, would be the world's second-largest aerospace-and-defense company by sales behind Boeing. Although UTC was the legal survivor, the merged company took the name Raytheon Technologies and based its headquarters at Raytheon's former campus in
Waltham, Massachusetts Waltham ( ) is a city in Middlesex County, Massachusetts, United States, and was an early center for the labor movement as well as a major contributor to the Technological and industrial history of the United States, American Industrial Revoluti ...
, rather than UTC's former base in
Farmington, Connecticut Farmington is a town in Hartford County, Connecticut, Hartford County in the Farmington Valley area of central Connecticut in the United States. The town is part of the Capitol Planning Region, Connecticut, Capitol Planning Region. The populati ...
. The merger was completed in April 2020. Raytheon Technologies began trading at $51 per share, on the New York Stock Exchange under the ticker RTX.Jen Judso
(24 Nov 2021) Raytheon CTO says merged company is finding new ways to work together
synergies: Mark Russell, CTO
On July 28, 2020, the company announced cutting of over 8,000 jobs in its commercial aviation division due to travel slowdown induced by the global
COVID-19 pandemic The COVID-19 pandemic (also known as the coronavirus pandemic and COVID pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an disease outbreak, outbreak of COVID-19 in Wuhan, China, in December ...
. In December 2020, the Board of Directors authorized a $5 billion repurchase of common stock. In 2022, during the
Russian invasion of Ukraine On 24 February 2022, , starting the largest and deadliest war in Europe since World War II, in a major escalation of the Russo-Ukrainian War, conflict between the two countries which began in 2014. The fighting has caused hundreds of thou ...
, major arms manufacturers, including Raytheon Technologies, reported a sharp increase in interim sales and profits. On June 7, 2022, the company announced plans to move its global headquarters to
Arlington, Virginia Arlington County, or simply Arlington, is a County (United States), county in the U.S. state of Virginia. The county is located in Northern Virginia on the southwestern bank of the Potomac River directly across from Washington, D.C., the nati ...
. The move was completed in July. In January 2023, Raytheon Technologies announced it would combine its missiles and defense division and intelligence and space division into a single business unit, effective July 1. The reorganization created three divisions at Raytheon Technologies: Collins Aerospace, Pratt & Whitney, and Raytheon. The reorganization was preceded by the rebranding to RTX in June 2023.


RTX

In July 2023, Raytheon Technologies Corporation changed its name to RTX Corporation. RTX's supply of weapons to Israel led to protests against the company during the
Gaza war The Gaza war is an armed conflict in the Gaza Strip and southern Israel fought since 7 October 2023. A part of the unresolved Israeli–Palestinian conflict, Israeli–Palestinian and Gaza–Israel conflict, Gaza–Israel conflicts dating ...
. On December 14, 2023, for example, protestors blocked the entrance to an RTX facility in Arizona. In early 2024, 15 people were arrested after blocking access to RTX and
BAE Systems BAE Systems plc is a British Multinational corporation, multinational Aerospace industry, aerospace, military technology, military and information security company, based in London. It is the largest manufacturer in Britain as of 2017. It is ...
facilities in
Louisville, Kentucky Louisville is the List of cities in Kentucky, most populous city in the Commonwealth of Kentucky, sixth-most populous city in the Southeastern United States, Southeast, and the list of United States cities by population, 27th-most-populous city ...
in protest against supplying weapons to Israel. In December 2023, RTX announced that CEO Greg Hayes would step down the following May and be replaced by company president Christopher Calio. In August 2024, RTX was fined US$200 million for
International Traffic in Arms Regulations International Traffic in Arms Regulations (ITAR) is a set of U.S. Department of State regulations that control the export of defense and military technologies to safeguard national security and further its foreign policy objectives. Overvi ...
violations, including exchanging data and products with prohibited countries such as China. RTX Corporation has agreed to pay over $950 million to resolve multiple federal investigations involving bribery, government contracting violations, and export control breaches. The settlement, announced on October 16, 2024, includes penalties for bribing a Qatari official with ties to the country's royal family and defrauding the
U.S. Defense Department The United States Department of Defense (DoD, USDOD, or DOD) is an executive department of the U.S. federal government charged with coordinating and supervising the six U.S. armed services: the Army, Navy, Marines, Air Force, Space Force, t ...
in procurement contracts. According to the SEC's order, Raytheon used sham subcontracts with a supplier to pay bribes of nearly $2 million to Qatari military and other officials to obtain defense contracts. Additionally, for almost two decades until 2020, Raytheon paid more than $30 million to a Qatari agent related to the Qatari Emir, despite the agent lacking a background in defense contracting. The second agreement, made with DOJ officials in Boston, involves RTX paying $574 million to settle allegations of overcharging in federal contracts. This includes schemes to defraud the U.S. Department of Defense in connection with the provision of defense products and services, such as Patriot missile systems and radar systems intended for an undisclosed foreign customer. As part of the settlement, RTX will also pay a $124 million penalty to the Securities and Exchange Commission. The company has acknowledged responsibility for the misconduct, which largely occurred prior to 2020, and has stated that it is working on remediation efforts.


Business units

After the 2020 merger, Raytheon Technologies Corporation consisted of four business units: *
Pratt & Whitney Pratt & Whitney is an American aerospace manufacturer with global service operations. It is a subsidiary of RTX Corporation (formerly Raytheon Technologies). Pratt & Whitney's aircraft engines are widely used in both civil aviation (especially ...
: Designs and builds aircraft engines and gas turbines. **
Pratt & Whitney Canada Pratt & Whitney Canada (PWC or P&WC) is a Canada-based aircraft engine manufacturer. PWC's headquarters are in Longueuil, Quebec, south of Montreal. It is a division of the larger US-based Pratt & Whitney (P&W), itself a business unit of RTX ...
*
Collins Aerospace Collins Aerospace is an American technology company that is one of the world's largest suppliers of aerospace and defense products. It was formed in 2018 from the merger of Rockwell Collins and UTC Aerospace Systems. Headquartered in Charlotte, ...
: Designs and manufactures aerospace systems for commercial, regional, corporate and military aircraft; a major supplier for international space programs. Provides industrial products for the hydrocarbon, chemical, and food processing industries, construction and mining companies. Collins Aerospace was formed following UTC's acquisition of
Rockwell Collins Rockwell Collins, Inc. was a multinational corporation headquartered in Cedar Rapids, Iowa, providing avionics and information technology systems and services to government agencies and aircraft manufacturers. It was formed when the Collins Radi ...
in 2018 and combining that business with UTC Aerospace Systems, which itself was the result of a 2012 merger of Hamilton Sundstrand and the Goodrich Corporation. * Raytheon Intelligence & Space (RIS): Formerly Raytheon Intelligence, Information and Services (IIS) and Raytheon Space and Airborne Systems (SAS) * Raytheon Missiles & Defense (RMD): Formerly Raytheon Integrated Defense Systems (IDS) and Raytheon Missile Systems (RMS) In 2023, the company changed its name to RTX Corporation and re-organized into three business units: *
Pratt & Whitney Pratt & Whitney is an American aerospace manufacturer with global service operations. It is a subsidiary of RTX Corporation (formerly Raytheon Technologies). Pratt & Whitney's aircraft engines are widely used in both civil aviation (especially ...
**
Pratt & Whitney Canada Pratt & Whitney Canada (PWC or P&WC) is a Canada-based aircraft engine manufacturer. PWC's headquarters are in Longueuil, Quebec, south of Montreal. It is a division of the larger US-based Pratt & Whitney (P&W), itself a business unit of RTX ...
*
Collins Aerospace Collins Aerospace is an American technology company that is one of the world's largest suppliers of aerospace and defense products. It was formed in 2018 from the merger of Rockwell Collins and UTC Aerospace Systems. Headquartered in Charlotte, ...
: Includes multi-domain command-and-control and
air traffic management file:ATMANS.png, 334x334px, Air traffic management (ATM) aims at ensuring the safe and efficient flow of air traffic. It encompasses three types of services: * air traffic services (ATS) including air traffic control (ATC), air traffic advisory s ...
product lines that were formerly Raytheon Intelligence & Space (RIS) and Raytheon Missiles & Defense (RMD) *
Raytheon Raytheon is a business unit of RTX Corporation and is a major U.S. defense contractor and industrial corporation with manufacturing concentrations in weapons and military and commercial electronics. Founded in 1922, it merged in 2020 with Unite ...
: Includes government-facing businesses from RIS and RMD, as well as the ISR (Intelligence, surveillance and reconnaissance) business from Collins Aerospace


Footnotes


References


External links

* * {{Authority control, state=expanded Former components of the Dow Jones Industrial Average Companies based in Arlington County, Virginia Companies listed on the New York Stock Exchange Conglomerate companies of the United States Aerospace companies of the United States Defense companies of the United States Electronics companies of the United States Engineering companies of the United States Guided missile manufacturers Radar manufacturers Manufacturing companies based in Virginia Multinational companies headquartered in the United States American companies established in 2020 Electronics companies established in 2020 Manufacturing companies established in 2020 Technology companies established in 2020 2020 establishments in Massachusetts Conglomerate companies established in 2020 Raytheon Company United Technologies