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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 | Aug 27, 2021

2021 Office Sector Giants: Top architecture, engineering, and construction firms in the U.S. office building sector

Gensler, Jacobs, Turner Construction, and STO Building Group head BD+C's rankings of the nation's largest office building sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.a

Giants 400 | Aug 26, 2021

2021 University Giants: Top architecture, engineering, and construction firms in the higher education sector

Gensler, AECOM, Turner Construction, and CannonDesign head BD+C's rankings of the nation's largest university sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

Giants 400 | Aug 26, 2021

2021 Data Center Giants: Top architecture, engineering, and construction firms in the U.S. data center facilities sector

Corgan, Holder Construction, Jacobs, and Whiting-Turner top BD+C's rankings of the nation's largest data center facilities sector architecture, engineering, and construction firms, as reported in the 2021 Giants 400 Report.

Giants 400 | Aug 26, 2021

Top 90 Construction Management + Project Management Firms for 2021

CBRE, Jacobs, Alfa Tech, and VCC head the rankings of the nation's largest construction management (as agent) and program/project management firms for nonresidential and multifamily buildings work, as reported in Building Design+Construction's 2021 Giants 400 Report.

Giants 400 | Aug 25, 2021

Top 140 Contractors for 2021

Turner Construction, Whiting-Turner Contracting, STO Building Group, and DPR Construction top the rankings of the nation's largest general contractors, CM at risk firms, and design-builders for nonresidential buildings and multifamily buildings work, as reported in Building Design+Construction's 2021 Giants 400 Report.

Giants 400 | Aug 25, 2021

Top 40 Engineering/Architecture Firms for 2021

Jacobs, AECOM, Burns & McDonnell, and Alfa Tech top the rankings of the nation's largest engineering architecture (EA) firms for nonresidential buildings and multifamily buildings work, as reported in Building Design+Construction's 2021 Giants 400 Report.

Giants 400 | Aug 25, 2021

Top 75 Engineering Firms for 2021

Kimley-Horn, WSP, Terracon, Tetra Tech, and Langan head the rankings of the nation's largest engineering firms for nonresidential buildings and multifamily buildings work, as reported in Building Design+Construction's 2021 Giants 400 Report.

Giants 400 | Aug 25, 2021

Top 95 Architecture/Engineering Firms for 2021

Stantec, HDR, HOK, and SOM top the rankings of the nation's largest architecture engineering (AE) firms for nonresidential and multifamily buildings work, as reported in Building Design+Construction's 2021 Giants 400 Report.

Giants 400 | Aug 25, 2021

Top 160 Architecture Firms for 2021

Gensler, Perkins and Will, HKS, and Perkins Eastman top the rankings of the nation's largest architecture firms for nonresidential and multifamily buildings work, as reported in Building Design+Construction's 2021 Giants 400 Report.

Giants 400 | Aug 11, 2021

BD+C Awards Programs

Entry information and past winners for Building Design+Construction's two major awards programs: 40 Under 40 and Giants 400

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