Bechtel, the largest privately-owned construction company in the United States, is an engineering, procurement, construction, and project management company headquartered in Virginia. Their infrastructure sector manages transportation, power lines, and networks. They built thousands of miles of roads, bridges, and railroads. This includes subways and airports.

Bechtel also built hundreds of power plants and hydroelectric power plants. The total number of world cities they have built is 20. Since the 1950s, they have also been involved in the maintenance and cleaning of nuclear power plants for the US government. In 2017, Bechtel was ranked #8 on Forbes' list of the largest private companies in the United States by revenue and #7 on Fortune's 25 Most Important Private Companies list. In addition, Engineering NewsRecord named Best US Contractor (by revenue) for the 20th consecutive year.

Founded: 1906
Headquarters: Reston, Virginia, U.S.
Revenue: $17.6 Billion USD, 2020
Website: http://www.bechtel.com/

Fluor, Inc. is an American multinational engineering and construction services company headquartered in Texas. Fluor (NYSE: FLR) has several subsidiaries that provide services. These subsidiaries range from oil and gas and energy to infrastructure and government. Fluor (NYSE: FLR) is ranked #164 on the Fortune 500.

Fluor, Inc. is primarily engaged in the design and construction of power plants, petrochemical plants, mining plants, roads and bridges, government buildings, and industrial facilities. Notable projects include the $1.4 billion Aladdin Hotel & Casino in Las Vegas. They were also responsible for the $3.14 billion Tappan Zi Bridge across the Hudson River. Fluor (NYSE: FLR) participated in charity and recovery services from Hurricane Katrina in Louisiana.

Founded:1912
Headquarters: Grapevine, Texas, United States
Revenue: Revenue: $15.7 Billion USD
Website: http://fluor.com/

AECOM is an American multinational corporation with more than 87,000 employees and is ranked #157 on the 2019 Fortune 500 list of companies.

AECOM provides a variety of services through its various subsidiaries. These include archeology, architecture and design, asset management, construction, cost management, decommissioning and closure, economics, engineering, environmental services, international development, IT and cybersecurity, operations and maintenance, planning and consulting, program management/construction management, etc.

Founded: 1990
Headquarters: Dallas, Texas
Revenue: $13.2 Billion USD, 2020
Website: https://www.aecom.com/

Lendlease Group is an Australian multinational construction, property and infrastructure company based in Barangaroo, New South Wales, Australia. The US branch of Lendlease is located in New York. In 1970 Lend Lease extended their operations into America, and in 1983 Lend Lease created 'The Lend-Lease Foundation', their philanthropic arm to better communicate and help communities, as well as caring for both community and employee well-being.

Lendlease is currently working on urban redevelopment in Chicago. The project name is Southbank. Other notable projects from Lendlease (ASX: LLC) include a residential building at 432 Park Avenue, which is 1,396 feet tall. The building is located in one of New York's most famous and expensive neighborhoods.

Founded: 1958
Headquarters: International Towers, Barangaroo, Sydney, Australia
Revenue: $10.3 Billion USD, 2020
Website: http://www.lendlease.com/

Sweden MNC's Skanska AB is the 3rd largest heavy equipment contractor and 6th largest construction/manufacturing contractor in the United States by revenue. Established in Malmö, Sweden, in 1887 by Rudolf Fredrik Berg and started by manufacturing concrete products, Skanska AB is now a multinational construction and development company based in Sweden.

Skanska AB is one of the most financially stable construction companies in the United States with high-quality construction and development work. They have a wide range of customers in the transportation, energy, industrial, water and sanitation, healthcare, education, sports, data center, government, aviation and commercial sectors. In addition, Skanska is a multinational company with one of the best safety records, with an average of 6 contractors per time-loss incident in Skanska USA in 2019.

Founded: 1887
Headquarters: Stockholm, Sweden
Revenue: $6.5 Billion USD
Website: https://www.skanska.com/

McDermott International, Inc. is an American multinational corporation specializing in engineering, procurement, construction and installation. They currently operate in the United States, the Middle East, the Caspian Sea and Asia Pacific.

McDermott and CB&I agreed to the merger in 2017 and were finalized in 2018. However, McDermott International (OTC: MCDIF) realized that due diligence had not lived up to expectations and suffered massive losses of millions of dollars after the merger. As a result, in January 2020, it filed for bankruptcy and canceled all common stock. I got my bankruptcy waiver in June 2020. The company reached #6 on our list of the Best American Construction Companies of 2021.

Founded: 1923
Headquarters: Houston, Texas, U.S.
Revenue: $6.47 Billion USD, 2019
Website: http://www.mcdermott.com/

DPR Construction is a privately held, employee-owned company that provides services for technologically advanced and sustainable projects. The company primarily serves the high tech/mission-critical markets, life sciences, healthcare, higher education and commercial office markets.

According to Engineering NewsRecord, DPR has been ranked as one of the 50 largest contractors in the United States since 1997. DPR is committed to increasing productivity and reducing waste in the workplace to make it greener. The company is ranked #7 on our list of the Best American Construction Companies of 2021.

Founded: 1990
Headquarters: Redwood City, California, United States
Revenue: $6 Billion USD, 2020
Website: http://www.dpr.com/

The Gilbane Building Company, headquartered in Rhode Island, is a subsidiary of Gilban, Inc. In 2009, Gilbane was the 78th largest family-owned company in the United States, according to Family Business Magazine. In 2015, Engineering NewsRecord ranked them as the 16th largest construction company in the United States.

The Gilbane Building Company has won several awards, including the 2013 Annual Building Safety Excellence Award, the 2015 CURT Building Industrial Safety Achievement Award for Excellence, and the 2016 AGC Alliant Build America Award. The company is ranked 8th on the list of the best construction companies in the United States in 2021.

Founded: 1870
Headquarters: 7 Jackson Walkway Providence, RI, United States
Revenue: $6.4 Billion USD, 2020
Website: https://www.gilbaneco.com/

According to Engineering NewsRecord, Hensel Phelps Construction Co. consistently ranks as one of the largest construction companies and ranks among the top 20 general contractors and construction managers in the United States.

Hansel Phelps was founded in 1937 in Greeley, Colorado. Over the years, the company has grown into a company of more than 4,000 employees, has successfully carried out several projects, and is recognized for its excellent service. They received three Marvin M. Black Excellence awards at the Partner Awards. They are successful national contractors who have earned millions of dollars and own employees. The company is ranked ninth on the list of the Best Construction Companies in the United States for 2021.

Founded: 1937
Headquarters: Greeley, Colorado, US
Revenue: $5.7 Billion USD, 2020
Website: http://www.henselphelps.com/

Tutor Perini Corporation, headquartered in Silmar, CA, has undertaken many construction projects in the United States and Canada to date. Some notable projects include Hudson Yards in New York and California HighSpeed Rail in Central California. The US$1.9 billion high-speed rail project included major work items and included 12 road/rail subdivisions, two major viaducts, one tunnel, redevelopment of existing railroads, utility relocation, carriageway relocation, two trench sections, and a major stream.

Tutor Perini Corporation specializes in civil infrastructure, bridges, highways, tunnels, airports, and public transport systems. It also provides services to the gaming sector and provides multipurpose office towers, multi-unit residential towers to all these industries and meets related requirements such as electrical, mechanical, plumbing, heating, air conditioning and ventilation (HVAC), fire protection systems and concrete.

Founded: 1894
Headquarters: Sylmar, California, United States
Revenue: $5.3 Billion USD, 2020
Website: http://www.tutorperini.com/