WThe American Bridge Company is a heavy/civil construction firm that specializes in building and renovating bridges and other large, complex structures. Founded in 1900, the company is headquartered in Coraopolis, Pennsylvania, a suburb of Pittsburgh. The firm has built many bridges in the U.S. and elsewhere; the Historic American Engineering Record notes at least 81. American Bridge has also built or helped build the Willis Tower, the Empire State Building, the Chrysler Building, launch pads, resorts, and more. During World War II, it produced tank landing ships (LSTs) for the United States Navy. In 2020, American Bridge Company was acquired by Southland Holdings LLC, a global leader in complex civil engineering, bridge construction and rehabilitation, marine construction, and specialty structures. This acquisition complements Southland Holdings’ diverse portfolio that includes tunneling, facilities and pipelines, heavy highway, bridge, and marine construction. The Southland Holdings family has completed more than 50,000 projects in 60 countries. The addition of American Bridge expands the company’s geographic reach, resources, and ability to deliver a wide range of infrastructure projects.
WAustin Bridge Company was a bridge company based in Dallas, Texas. It fabricated and built a number of bridges that are listed on the U.S. National Register of Historic Places. It eventually became part of Austin Industries.
WThe Cambria Iron Company of Johnstown, Pennsylvania was a major 19th-century industrial producer of iron and steel. Founded in 1852, it had the nation's largest steel foundry in the 1870s, and was renamed the Cambria Steel Company in 1898. The company used many innovations in the steelmaking process, including those of William Kelly and Henry Bessemer. The company was acquired in 1923 by the Bethlehem Steel Company. The company's historic facilities, extending some 12 miles (19 km) along the Conemaugh and Little Conemaugh Rivers, are a National Historic Landmark District.
WCanton Bridge Company was a firm that was later incorporated into the American Bridge Company. The firm was established in Canton, Ohio in 1892 and became one of the nation's biggest bridge-builders during the early 20th century. It designed and/or built many bridges that later became listed on the U.S. National Register of Historic Places (NRHP).
WCB&I was a large engineering, procurement and construction (EPC) company with its administrative headquarters in The Woodlands, Texas. CB&I specialized in projects for oil and gas companies. CB&I employed more than 32,000 people worldwide. In May 2018 the company merged into McDermott International. McDermott struggled to integrate its acquisition of Chicago Bridge & Iron Co. On January 21, 2020, McDermott announced that it had filed for Chapter 11 bankruptcy.
WCleveland Bridge UK Ltd was a bridge building and structural engineering company based in Darlington, England. It has been involved in many major projects including the Victoria Falls Bridge in Zimbabwe, the Tees Transporter Bridge and the Forth Road and Humber suspension bridges in the UK, Hong Kong's Tsing Ma Bridge, and London's Wembley Stadium. Backed by a Saudi Arabian investor since 2000, Cleveland Bridge went into administration in July 2021 and, owing £21m and without a buyer, closed in September 2021.
WClinton Bridge and Iron Works was a significant company in Clinton, Iowa.
WThe Groton Bridge Co. was an American construction company.
WGrupo Garza Ponce is a Mexican construction company based in Monterrey, Nuevo León. It was founded in 1966 by civil engineer José María Garza Ponce after he decided to take advantage of the boom in public works that Mexico was experiencing during that time. In the early 1980s, the company nearly went out of business due to the country's debt crisis; during that decade, they built the first private industrial park in Nuevo León, and later tapped into different markets by partnering with transnational companies in multimillion-dollar construction projects. They are currently one of the largest construction firms in Mexico and one of the leading ones in the northern part of the country.
WThe Illinois Steel Company was an American steel producer with five plants in Illinois and Wisconsin. Founded through a consolidation in 1889, Illinois Steel grew to become the largest steel producer in the United States. In 1898, several other steel and transportation companies were merged into it to form the Federal Steel Company, itself merged into U.S. Steel in 1901.
WThe Jones and Laughlin Steel Company began as the American Iron Company, founded in 1852 by Bernard Lauth and B. F. Jones, a few miles south of Pittsburgh along the Monongahela River. Lauth's interest was bought in 1854 by James Laughlin. The first firm to bear the name of Jones and Laughlin was organized in 1861 and headquartered at Third & Ross in downtown Pittsburgh.
WK. Rudzki i S-ka was a Polish engineering and machinery company. Founded in Warsaw in 1858 as an iron foundry by a shipbuilding magnate Andrzej Artur Zamoyski and led by Konstanty Rudzki, it soon expanded into machinery, steel and engineering. By the end of the 19th century the company, with its seat in Warsaw and a large factory in Mińsk Mazowiecki, had become one of the largest and most experienced bridge construction contractors in Central and Eastern Europe, with roughly 20% of bridges constructed in the Russian Empire bearing the logo of K. Rudzki. After World War I the company declined and ceased its machinery production arm, but continued on as an engineering and construction business. It was nationalised and liquidated after World War II.
WThe Keystone Bridge Company, founded in 1865 by Andrew Carnegie, was an American bridge building company. It was one of the 28 companies absorbed into the American Bridge Company in 1900. The company advertised its services for building steel, wrought iron, wooden railway and road bridges. It held a patent for wrought iron bridges and also supplied wrought iron columns for buildings. Thomas Carnegie worked for Keystone Bridge as treasurer for roughly 20 years, from the founding of the company until his death in 1886.
WThe Lincoln Construction Company was an American construction company in Nebraska. The company built several bridges in Nebraska between 1913 and 1916. A state engineer, after inspecting one of the company's bridge, found that "the workmanship as a whole was decidedly poor" and recommended suspending all payments on the bridge until the "poor appearance" was remedied. Company president, W.S. Collett, stated that the company's experience in the bridge business had been "more or less disastrous, from a financial point... which leads me to the conclusion that I had better quit while my credit remains good."
WThe Mabey Group is a British-based group of engineering companies, which specialises in steel fabrication, plant hire and construction products. It was initially established by Guy Mabey as a building supplies business in 1923, and expanded into engineering work, particularly bridging, under the leadership of his son, Bevil Mabey, after World War II. In the early 21st century, it was implicated in bribery scandals over corrupt payments to win contracts in countries including Iraq, Jamaica and Ghana. It sold its bridge business in May 2019 to US-based Acrow Bridge.
WThe Marsh Engineering Company was a company that designed many significant bridges in the United States, including a number that survive and are listed on the National Register of Historic Places. It was located in Des Moines, Iowa.
WThe Midland Bridge Company is a firm based in Kansas City, Missouri, United States, that has built numerous bridges. Several of its works are listed on the U.S. National Register of Historic Places (NRHP).
WMidwest Steel & Iron Works was a metal fabrication company based in Denver, Colorado. Founded in 1893, the company was known for a time as the Jackson-Richter Iron Works. The company was one of the "oldest and largest metal fabricators" in Denver. The company built both structural and ornamental components for structures throughout Colorado, Wyoming and New Mexico. The company's headquarters on Larimer Street in Denver includes an Art Deco office building and consists of a four-building complex that is itself considered a historic industrial site. The complex served as the company's headquarters from 1923 to 1983.
WThe Missouri Valley Bridge & Iron Co., also known as Missouri Valley Bridge Company, was a engineering, construction, and steel fabrication firm that operated through the late nineteenth and most of the twentieth centuries. It was based in Leavenworth, Kansas, with a WWII facility in Evansville, Indiana.
WMonarch Engineering Co. was an American firm of Denver, Colorado, active in engineering and construction services. John A. Crook and his brother, Guy A. Crook of Falls City, were founders of the Monarch Engineering company which had its origin and main offices at Falls City, with offices in Kansas City, and Denver. Under the management of these men the Monarch Engineering company had risen to become an important and prosperous concern and a vast amount of bridge construction, city paving, irrigation-dam building, and public building work has been done under their supervision. Within ten years after the firm had been in operation, or since 1908, its activities constantly increased and in 1917 they purchased the Denver Steel and Iron Works in order to facilitate the material supply part of the construction work in which they were engaged.
WThe Omaha Structural Steel Works was a company also known as Omaha Steel Works and as Omaha Structural Steel Bridge Co.in Omaha, Nebraska
WPacific Bridge Company was a large engineering and construction company. During World War II, Pacific Bridge Company of Alameda, California was selected to build US Navy Auxiliary Repair Docks (ARD) a type of Auxiliary floating drydock and Type B ship barges.
WThe Phoenix Iron Works, located in Phoenixville, Pennsylvania, was a manufacturer of iron and related products during the 19th century and early 20th century. Phoenix Iron Company was a major producer of cannons for the Union Army during the American Civil War. The company also produced the Phoenix column, an advance in construction material. Company facilities are a core component of the Phoenixville Historic District, a National Register of Historic Places site that was in 2006 recognized as a historic landmark by ASM International.
WThe Pittsburgh-Des Moines Steel Company, and often referred to as Pitt-Des Moines Steel or PDM was an American steel fabrication company. It operated from 1892 until approximately 2002 when its assets were sold to other companies, including Chicago Bridge & Iron Company. The company began as a builder of steel water tanks and bridges. It also later fabricated the "forked" columns for the World Trade Center in the 1960s, and was the steel fabricator and erector for the Gateway Arch in St. Louis. A number of its works are listed on the National Register of Historic Places.
WThe Pueblo Bridge Co. is a firm that built a large number of bridges in the United States. Several are listed on the U.S. National Register of Historic Places.
WThe Vincennes Bridge Company, based in Vincennes, Indiana, was a designer and builder of bridges that was "one of Indiana's 'most successful bridge-building firms'".
WThe Virginia Bridge & Iron Co., also known as Virginia Bridge Company, was a bridge company based in Roanoke, Virginia.
WThe Western Bridge and Construction Company, located in Omaha, Nebraska, was one of the foremost bridge engineering and manufacturing companies in the Midwestern United States. Several of their bridges are now listed on the National Register of Historic Places. Their headquarters were located in the Bee Building in Downtown Omaha.