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Alfa Tech Consulting Engineers, Skyline Construction, Hill International, CG Schmidt, and STV top Building Design+Construction's ranking of the nation's largest construction management (as agent) and program/project management firms for nonresidential buildings and multifamily housing work, as reported in Building Design+Construction's 2024 Giants 400 Report.
Turner Construction, Whiting-Turner Contracting Co., STO Building Group, DPR Construction, and Gilbane Building Company top Building Design+Construction's ranking 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 2024 Giants 400 Report.
Jacobs, AECOM, Kimley-Horn, WSP, and Alfa Tech Consulting Engineers top Building Design+Construction's ranking of the nation's largest engineering architecture (AE) firms for nonresidential building and multifamily housing work, as reported in BD+C's 2024 Giants 400 Report.
Fluor, IMEG, Salas O'Brien, Langan, and Jensen Hughes top Building Design+Construction's ranking of the nation's largest engineering firms for nonresidential building and multifamily housing work, as reported in BD+C's 2024 Giants 400 Report.
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.
![Top 75 Industrial Sector Architecture + AE Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/IND%20ARCH.jpg?itok=xgYi3yPD "Top 75 Industrial Sector Architecture + AE Firms [2018 Giants 300 Report]")
AECOM, Stantec, and Ware Malcomb top Building Design+Construction's ranking of the nation's largest industrial sector architecture and architecture/engineering (AE) firms, as featured in the 2018 Giants 300 Report.
![Top 75 Local Government Contractors + CM Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/LOCAL%20GOVT%20CONST.jpg?itok=fa1bbBBc "Top 75 Local Government Contractors + CM Firms [2018 Giants 300 Report]")
Turner, Clark Group, and AECOM lead Building Design+Construction's ranking of the nation's largest local government sector contractors and construction management (CM) firms, as featured in the 2018 Giants 300 Report.
![Top 70 Local Government Engineering + EA Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/LOCAL%20GOVT%20ENG.jpg?itok=egHl2N4F "Top 70 Local Government Engineering + EA Firms [2018 Giants 300 Report]")
AECOM, Dewberry, and Jacobs head Building Design+Construction's ranking of the nation's largest local government sector engineering and engineering/architecture (EA) firms, as featured in the 2018 Giants 300 Report.
![Top 130 Local Government Architecture + AE Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/LOCAL%20GOVT%20ARCH.jpg?itok=os1LGHHj "Top 130 Local Government Architecture + AE Firms [2018 Giants 300 Report]")
HOK, Stantec, and HNTB top Building Design+Construction's ranking of the nation's largest local government sector architecture and architecture/engineering (AE) firms, as featured in the 2018 Giants 300 Report.
![Top 60 State Government Contractors + CM Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/STATE%20GOVT%20CONST.jpg?itok=oNZ5oJ5j "Top 60 State Government Contractors + CM Firms [2018 Giants 300 Report]")
Turner, PCL, and Hensel Phelps lead Building Design+Construction's ranking of the nation's largest state government sector contractors and construction management (CM) firms, as featured in the 2018 Giants 300 Report.
![Top 60 State Government Engineering + EA Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/STATE%20GOVT%20ENG.jpg?itok=mU68Hu_S "Top 60 State Government Engineering + EA Firms [2018 Giants 300 Report]")
Dewberry, Arup, and Simpson Gumpertz & Heger head Building Design+Construction's ranking of the nation's largest state government sector engineering and engineering/architecture (EA) firms, as featured in the 2018 Giants 300 Report.
![Top 85 State Government Architecture + AE Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/STATE%20GOVT%20ARCH.jpg?itok=NY2c_HGu "Top 85 State Government Architecture + AE Firms [2018 Giants 300 Report]")
Stantec, SmithGroup, and LMN Architects top Building Design+Construction's ranking of the nation's largest state government sector architecture and architecture/engineering (AE) firms, as featured in the 2018 Giants 300 Report.
![Top 40 Federal Government Contractors + CM Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/FED%20GOVT%20CONST.jpg?itok=23CArQPT "Top 40 Federal Government Contractors + CM Firms [2018 Giants 300 Report]")
BL Harbert, Fluor, and Webcor lead Building Design+Construction's ranking of the nation's largest federal government sector contractors and construction management (CM) firms, as featured in the 2018 Giants 300 Report.
![Top 50 Federal Government Sector Engineering + EA Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/FED%20GOVT%20ENG.jpg?itok=RqYqKeBG "Top 50 Federal Government Sector Engineering + EA Firms [2018 Giants 300 Report]")
Jacobs, AECOM, and Mason & Hanger head Building Design+Construction's ranking of the nation's largest federal government sector engineering and engineering/architecture (EA) firms, as featured in the 2018 Giants 300 Report.
![Top 60 Federal Government Architecture + AE Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/FED%20GOVT%20ARCH.jpg?itok=_9AH1CQJ "Top 60 Federal Government Architecture + AE Firms [2018 Giants 300 Report]")
Page, HOK, and SOM top Building Design+Construction's ranking of the nation's largest federal government sector architecture and architecture/engineering (AE) firms, as featured in the 2018 Giants 300 Report.
