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Giants 400

Call for surveys: 2024 Giants 400 Report

Building Design+Construction's annual Giants 400 Report ranks the nation's top architecture, architecture/engineering (AE), engineering/architecture (EA), general contractors, and fee-based construction management (CM) firms, by revenue. You’ll want to be sure your firm is on the Giants 400 lists, as potential clients look to these rankings for prospective firms to design and construct their future projects.


Giants 400

BD+C's Giants 400 Rankings

Every spring, the editors of Building Design+Construction survey the nation's largest architecture, engineering, and construction firms to identify the most prominent design and construction firms across 25 building sectors and specialty categories. Meet the Giants 400.


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Building Design+Construction's Giants 400 Report ranks the largest architecture, engineering, and construction firms in the U.S. This year a record 519 AEC firms participated in BD+C's Giants 400 report. The final report includes more than 130 rankings across 25 building sectors and specialty categories. Check out the Giants 400 page.    

Giants 400 | Jan 3, 2022

2021 Government Sector Giants: Top architecture, engineering, and construction firms in the U.S. government buildings sector

Stantec, Jacobs, Turner Construction, and Hensel Phelps top BD+C's rankings of the nation's largest government sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

Giants 400 | Dec 31, 2021

2021 Science and Technology Sector Giants: Top architecture, engineering, and construction firms in the U.S. S+T facilities sector

HDR, CRB, Jacobs, Skanska USA, and Whiting-Turner Contracting Co. top the rankings of the nation's largest science and technology (S+T) sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

Giants 400 | Dec 5, 2021

2021 Reconstruction Sector Giants: Top architecture, engineering, and construction firms in the U.S. building reconstruction and renovation sector

STO Building Group, Alfa Tech Consulting Engineers, Gensler, and Stantec top BD+C's rankings of the nation's largest reconstruction sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

Giants 400 | Dec 5, 2021

2021 Telecommunications Facility Sector Giants: Top architecture, engineering, and construction firms in the U.S. telecommunications facility sector

Alfa Tech Consulting Engineers, AECOM, Kimley-Horn, and BRPH head BD+C's rankings of the nation's largest telecommunications facility sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

Giants 400 | Dec 5, 2021

2021 Justice Facility Sector Giants: Top architecture, engineering, and construction firms in the U.S. justice facility/public safety sector

Turner Construction, DLR Group, AECOM, and Stantec top BD+C's rankings of the nation's largest architecture, engineering, and construction firms for justice facility/public safety buildings work, including correctional facilities, fire stations, jails, police stations, and prisons, as reported in the 2021 Giants 400 Report.

Giants 400 | Dec 3, 2021

2021 Hotel Sector Giants: Top architecture, engineering, and construction firms in the U.S. hospitality sector

Gensler, Jacobs, Suffolk Construction, and WATG top BD+C's rankings of the nation's largest hotel sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

Giants 400 | Nov 20, 2021

2021 Transit Facility Giants: Top architecture, engineering, and construction firms in the U.S. transit facility sector

Perkins and Will, Walsh Group, AECOM, and HDR top BD+C's rankings of the nation's largest transit facility sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

Giants 400 | Nov 20, 2021

2021 Parking Structure Giants: Top architecture, engineering, and construction firms in the U.S. parking structure sector

PGAL, PCL Construction, and Wiss, Janney, Elstner Associates top BD+C's rankings of the nation's largest parking structure sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

Giants 400 | Nov 20, 2021

Top 10 Integrated Project Delivery (IPD) Construction Firms for 2021

Gilbane, BartonMalow, Whiting-Turner, and Hensel Phelps head the rankings of the nation's largest integrated project delivery (IPD) construction firms for buildings construction work, according to BD+C's 2021 Giants 400 Report. 

Giants 400 | Nov 20, 2021

Top 100 Design-Build Construction Firms for 2021

Clayco, Hensel Phelps, ARCO Construction Companies, Swinerton, and Ryan Companies US top the rankings of the nation's largest design-build construction firms for buildings construction work, according to BD+C's 2021 Giants 400 Report.

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