Flatiron Construction Corporation, a

subsidiary A subsidiary, subsidiary company, or daughter company is a company (law), company completely or partially owned or controlled by another company, called the parent company or holding company, which has legal and financial control over the subsidia ...

Hochtief Hochtief AG is a global provider of infrastructure technology and construction services, with locations in North America, Australia, and Europe. The Essen based company is primarily active in the fields of high tech, energy transition, and sustai ...

, is a heavy civil infrastructure contractor headquartered in Broomfield,

Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

. Flatiron builds infrastructure such as bridges, highways, railways, roads, tunnels, hydropower facilities, and oil, along with gas and industrial infrastructure for the transportation, energy, and water sectors. They specialize in large-scale infrastructure projects. The company conducts projects through contracting methods such as design-build and public-private partnerships.

History

Named after the flatiron rock formations found near Boulder,

, Flatiron was originally a small materials company. Flatiron Structures Company LLC was founded in 1972 as they expanded into heavy construction. In the late 1980s, the company conducted work along Interstate 70 (I-70) through the Glenwood Canyon Corridor in Colorado. Flatiron opened two regional offices in California in the 1990s. In 1997, Flatiron worked on the first design-build bridge project in Maine, the Sagadahoc Bridge in Bath.
, Rebuilding the I-35W Mississippi River Crossing. N.p., n.d. Web. 17 July 2013. In 1998, Flatiron secured a contract for the Eastern Toll Road project. From 1999 to 2004, Flatiron worked on projects in Florida, Texas, Louisiana, and the Carolinas, such as the Carolina Bays Parkway project.Wilson, Zane (October 1, 1999). "SCDOT Selects Firm for Carolina Bays Project, Colorado Company Promises Quick Turnaround on Parkway". The Sun News (Myrtle Beach, SC). Flatiron was acquired by Royal BAM Group in 2002 and was briefly renamed HBG Flatiron (2002 - 2004) as a result. BAM sold Flatiron to Germany based

in 2007 for $243 million. In 2005, Flatiron began working in Western Canada with their first public-private partnership project, the Park Bridge east of Golden,

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

.
Kicking Horse Canyon Project Updates. Other projects during the 2000s include the Carquinez Bridge project in 2007,
Gale Directory of Company Histories: Flatiron Construction Corporation the Port Mann Bridge, Port Mann Bridge/Highway 1 project in 2008,
Hatch Mott MacDonald Case Study. the I-35W Saint Anthony Falls Bridge, I-35 W Saint Anthony Falls Bridge in 2008,
Manson Construction Co. and work in Utah in 2009. Projects from the 2010s include Circle Drive in 2010,
"Flatiron Construction Corp." RSS Flatiron Construction Corp News. N.p., n.d. Web. 1 June 2013. the John James Audubon Bridge (Mississippi River), John James Audubon Bridge
Poirer, Louise. "Transportation: John James Audubon Bridge Sets New Standards for Lower Mississippi Crossings." ENR: Engineering News-Record. N.p., 11 Feb. 2013. Web. 17 July 2013. over the Mississippi River, sections of the Anthony Henday Drive
, "Northeast Anthony Henday Drive, Canada." HOCHTIEF PPP Solutions / Transport Infrastructure. N.p., n.d. Web. 17 July 2013. project in Edmonton, Alberta, the Lake Champlain Bridge (2011), Lake Champlain Bridge
Hallenbeck, Terri. "In the Name of Speed: Lake Champlain Bridge Was 8 Percent over Budget." Burlington Free Press. N.p., 18 Dec. 2011. Web. 17 July 2013. connecting New York and Vermont and the Yadkin River Bridges in North Carolina. Flatiron has also worked on several contracts on the new eastern span of the San Francisco–Oakland Bay Bridge. Flatiron has been part of a team that has bid on construction packages for the California High-Speed rail and won a contract that was announced on December 12, 2014. Dragados/Flatiron/Shimmick submitted a bid of $1.23 billion to design and build the 65-mile stretch from the south end of Fresno to near the Tulare-Kings county line and was deemed the “apparent best value” bidder by the California High-Speed Rail Authority.
, Building America's First High Speed Line As of 2013, Flatiron operated across the U.S. and

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

, with more than 2,000 employees and 12 regional offices. Flatiron also works in heavy civil construction in the northeast via E.E. Cruz and Company. The company is a subsidiary of Flatiron and

Turner Construction The Turner Construction Company is an American construction company with presence in 20 countries. It is a subsidiary of the German company Hochtief. It is the largest domestic contractor in the United States as of 2020, with a revenue of $14.4 ...

.
Turner Construction In 2011, Spain-based ACS Group, ACS Group acquired a controlling interest in Flatiron's parent company Hochtief. On 30 July 2024, ACS and Hochtief announced that Dragados North America and Dragados Canada would be integrated with Flatiron. The new entity Flatiron Dragados would be held 61.8% by ACS and 38.2% by Hochtief.

References

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External links

Official site
Companies based in Colorado Construction and civil engineering companies of the United States