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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 65 Hotel Sector Engineering + EA Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/Hotel%20eng.jpg?itok=auIKvEPc "Top 65 Hotel Sector Engineering + EA Firms [2018 Giants 300 Report]")
NV5, WSP, and KPFF are among the nation’s largest hotel sector engineering and engineering/architecture (EA) firms, according to Building Design+Construction’s 2018 Giants 300 Report.
![Top 110 Hotel Sector Architecture + AE Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/Hotel%20arch.jpg?itok=EJdVAhm_ "Top 110 Hotel Sector Architecture + AE Firms [2018 Giants 300 Report]")
Gensler, HKS, and WATG top Building Design+Construction’s ranking of the nation’s largest hotel sector architecture and architecture/engineering (AE) firms, as featured in the 2018 Giants 300 Report.
![Top 120 Office Sector Contractors + CM Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/Office%20Const%20copy.jpg?itok=7op3WK_c "Top 120 Office Sector Contractors + CM Firms [2018 Giants 300 Report]")
Turner, AECOM, and Structure Tone lead Building Design+Construction’s ranking of the nation’s largest office sector contractors and construction management (CM) firms, as featured in the 2018 Giants 300 Report.
![Top 200 Office Sector Architecture + AE Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/Office%20Arch%20copy.jpg?itok=1fxWNgje "Top 200 Office Sector Architecture + AE Firms [2018 Giants 300 Report]")
Gensler, AECOM, and HOK top Building Design+Construction’s ranking of the nation’s largest office sector architecture and architecture/engineering (AE) firms, as featured in the 2018 Giants 300 Report.
![Top 90 Office Sector Engineering + EA Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/Office%20Eng%20COPY.jpg?itok=-dYuBC7Q "Top 90 Office Sector Engineering + EA Firms [2018 Giants 300 Report]")
Jacobs, WSP, and Thornton Tomasetti head Building Design+Construction’s ranking of the nation’s largest office sector engineering and engineering/architecture (EA), as featured in the 2018 Giants 300 Report.
![Top 90 K-12 School Contractors + CM Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/K12%20con%20FINAL.jpg?itok=K2kWG9sw "Top 90 K-12 School Contractors + CM Firms [2018 Giants 300 Report]")
Gilbane, Balfour Beatty, and CORE Construction Group are among the nation’s largest K-12 school sector contractors and construction management (CM) firms, according to Building Design+Construction’s 2018 Giants 300 Report.
![Top 75 K-12 School Engineering + EA Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/K-12%20eng%20FINAL.jpg?itok=gl4myCGw "Top 75 K-12 School Engineering + EA Firms [2018 Giants 300 Report]")
AECOM, KPFF, and IMEG are among the nation’s largest K-12 school sector engineering and engineering/architecture (EA) firms, according to Building Design+Construction’s 2018 Giants 300 Report.
![Top 150 K-12 School Architecture + AE Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/K12%20arch%20FINAL.jpg?itok=g66BUxw0 "Top 150 K-12 School Architecture + AE Firms [2018 Giants 300 Report]")
Stantec, DLR Group, and PBK top Building Design+Construction's ranking of the nation's largest K-12 school sector architecture and architecture/engineering (AE) firms, as featured in the 2018 Giants 300 Report.
![Top 45 Data Center Contractors + CM Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/Data%20Center%20Construction%20Firms%20FINAL.jpg?itok=Q_Wd3xQU "Top 45 Data Center Contractors + CM Firms [2018 Giants 300 Report]")
Holder, DPR, and Turner lead Building Design+Construction's ranking of the nation's largest data center sector contractors and construction management (CM) firms, as featured in the 2018 Giants 300 Report.
![Top 55 Data Center Engineering + EA Firms [2018 Giants 300 Report]](/sites/default/files/styles/list_big/public/Data%20center%20eng%20and%20EA%20firms.jpg?itok=vuHAytzs "Top 55 Data Center Engineering + EA Firms [2018 Giants 300 Report]")
Jacobs, ESD, and Syska Hennessy Group top Building Design+Construction’s ranking of the nation’s largest data center sector engineering and engineering/architecture (EA) firms, as featured in the 2018 Giants 300 Report.
