Martin Marietta Materials, Inc. is an American company and a supplier of aggregates and heavy

building materials Building material is material used for construction. Many naturally occurring substances, such as clay, rocks, sand, wood, and even twigs and leaves, have been used to construct buildings and other structures, like bridges. Apart from natur ...

, with operations spanning 26 states, Canada and the

Caribbean The Caribbean ( , ; ; ; ) is a region in the middle of the Americas centered around the Caribbean Sea in the Atlantic Ocean, North Atlantic Ocean, mostly overlapping with the West Indies. Bordered by North America to the north, Central America ...

. In particular, Martin Marietta Materials supplies resources for the construction of roads, sidewalks and foundations.

History

The present-day materials business is distantly descended from Superior Stone, an aggregates company founded in 1939 in

Raleigh, North Carolina Raleigh ( ) is the List of capitals in the United States, capital city of the U.S. state of North Carolina. It is the List of municipalities in North Carolina, second-most populous city in the state (after Charlotte, North Carolina, Charlotte) ...

. In 1959, the company was purchased by the American-Marietta Corporation, which merged with the

Glenn L. Martin Company The Glenn L. Martin Company, also known as The Martin Company from 1917 to 1961, was an American aircraft and aerospace industry, aerospace manufacturing company founded by aviation pioneer Glenn L. Martin. The Martin Company produced many impo ...

a year later to form the

Martin Marietta Corporation The Martin Marietta Corporation was an American company founded in 1961 through the merger of Glenn L. Martin Company and American-Marietta Corporation. In 1995, it merged with Lockheed Corporation to form Lockheed Martin. History Martin Mari ...

. In 1971, Martin Marietta acquired Harvey Aluminum, a company which made

aluminum oxide Aluminium oxide (or aluminium(III) oxide) is a chemical compound of aluminium and oxygen with the chemical formula . It is the most commonly occurring of several aluminium oxides, and specifically identified as aluminium oxide. It is commonly ...

, aluminum ingot and aircraft grade aluminum sheet. Martin Marietta merged with

Lockheed Corporation The Lockheed Corporation was an American aerospace manufacturer. Lockheed was founded in 1926 and merged in 1995 with Martin Marietta to form Lockheed Martin. Its founder, Allan Lockheed, had earlier founded the similarly named but otherwise-u ...

in 1995, and a year later, Martin Marietta Materials was spun off as an independent company, with

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 ...

retaining various

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 ...

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 ...

, and other manufacturing lines of business. Martin Marietta's Magnesia Specialties business provides a full range of

magnesium oxide Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of MgO and consists of a lattice of Mg2+ ions and O2− ions ...

magnesium hydroxide Magnesium hydroxide is an inorganic compound with the chemical formula Mg(OH)2. It occurs in nature as the mineral brucite. It is a white solid with low solubility in water (). Magnesium hydroxide is a common component of antacids, such as milk o ...

and dolomitic lime products.

References

External links

*
Martin Marietta Magnesia Specialties
Companies listed on the New York Stock Exchange Manufacturing companies based in North Carolina Chemical companies of the United States Mining companies of the United States Manufacturing companies established in 1993 Companies based in Raleigh, North Carolina Building materials companies of the United States Corporate spin-offs {{NorthCarolina-stub