Now in its 42nd year, Building Design+Construction's annual Giants 300 report ranks AEC firms by discipline and across more than 20 building sectors and specialty services. More than 480 U.S.-based architecture, engineering, and construction firms participated in the 2018 Giants 300 report.
Data for our Giants 300 charts is based on information supplied by the respective firms. Firms are asked to verify the accuracy of their data. The Construction section includes two types of statistics. The Contractors chart reflects revenues for general contracting, design-build, CM at risk, and IPD—projects where all revenues flow through the contractor.
The CM Agent + PM chart lists firms that derive their revenues through fees. In the subsequent market-specific sections (Healthcare, Data Centers, etc.) data labeled “Construction” includes all delivery methods combined (GC, DB, CM at risk, IPD, CM agent, PM).
NEW IN 2018! Download a PDF of all 2018 Giants 300 Rankings
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Rankings By Discipline
Architecture Giants Report | Sponsored by SageGlass
Top 150 Architecture Firms | Sponsored by SageGlass
Top 110 Architecture/Engineering Firms | Sponsored by SageGlass
Engineering Giants Report | Sponsored by Viega
Top 70 Engineering Firms | Sponsored by Viega
Top 35 Engineering/Architecture Firms | Sponsored by Viega
Construction Giants Report
Top 130 Contractor Firms
Top 80 Construction Management Firms
Rankings by Specialty
Top 200 BIM Architecture + AE FirmsTop 65 BIM Engineering + EA Firms
Top 85 BIM Contractors + CM Firms
Top 160 Green Building Architecture + AE Firms
Top 70 Green Building Engineering + EA Firms
Top 80 Green Building Contractors + CM Firms
Top 100 International Work Architecture + AE Firms
Top 50 International Work Engineering + EA Firms
Top 45 International Work Contractors + CM Firms
Top 195 Reconstruction Work Architecture + AE Firms
Top 80 Reconstruction Work Engineering + EA Firms
Top 125 Reconstruction Work Contractors + CM Firms
Rankings by Building Sector
Airport Terminal Sector Giants Report
Top 45 Airport Architecture + AE Firms
Top 55 Airport Engineering + EA Firms
Top 55 Airport Construction + CM Firms
Top 25 Convention Center Architecture + AE Firms
Top 35 Convention Center Engineering + EA Firms
Top 10 Convention Center Contractors + CM Firms
Top 115 Cultural Facilities Architecture + AE Firms
Top 70 Cultural Facilities Engineering + EA Firms
Top 70 Cultural Facilities Contractors + CM Firms
Data Center Sector Giants Report
Top 40 Data Center Architecture + AE Firms
Top 55 Data Center Engineering + EA Firms
Top 45 Data Center Construction + CM Firms
Top 155 Government Sector Architecture + AE Firms
Top 85 Government Sector Engineering + EA Firms
Top 90 Government Sector Contractors + CM Firms
Top 60 Federal Government Architecture + AE Firms
Top 50 Federal Government Engineering + EA Firms
Top 40 Federal Government Contractors + CM Firms
Top 85 State Government Architecture + AE Firms
Top 60 State Government Engineering + EA Firms
Top 60 State Government Contractors + CM Firms
Top 130 Local Government Architecture + AE Firms
Top 70 Local Government Engineering + EA Firms
Top 75 Local Government Contractors + CM Firms
Healthcare Sector Trends Report
Top 160 Healthcare Architecture + AE Firms
Top 90 Healthcare Engineering + EA Firms
Top 105 Healthcare Construction + CM Firms
Hotel Sector Giants Report
Top 110 Hotel Architecture + AE Firms
Top 65 Hotel Engineering + EA Firms
Top 90 Hotel Construction + CM Firms
Top 75 Industrial Sector Architecture + AE Firms
Top 75 Industrial Sector Engineering + EA Firms
Top 95 Industrial Sector Contractors + CM Firms
K-12 School Sector Giants Report
Top 150 K-12 Architecture + AE Firms
Top 75 K-12 Engineering + EA Firms
Top 90 K-12 Construction + CM Firms
Top 45 Military Sector Engineering + EA Firms
Top 40 Military Sector Contractors + CM Firms
Multifamily Sector Trends Report | Sponsored by ZIP System sheathing and tape
Top 150 Multifamily Architecture + AE Firms | Sponsored by ZIP System sheathing and tape
Top 70 Multifamily Engineering + EA Firms | Sponsored by ZIP System sheathing and tape
Top 70 Multifamily Construction + CM Firms | Sponsored by ZIP System sheathing and tape
Office Sector Giants Report
Top 200 Office Architecture + AE Firms
Top 90 Office Engineering + EA Firms
Top 120 Office Construction + CM Firms
Top 70 Religious Sector Architecture + AE Firms
Top 45 Religious Sector Engineering + EA Firms
Top 45 Religious Sector Contractors + CM Firms
Retail Sector Giants Report
Top 130 Retail Architecture + AE Firms
Top 65 Retail Engineering + EA Firms
Top 90 Retail Construction + CM Firms
Top 65 Science and Technology Sector Architecture + AE Firms
Top 55 Science and Technology Sector Engineering + EA Firms
Top 35 Science and Technology Sector Contractors + CM Firms
Sports Sector Giants Report
Top 95 Sports Facilities Architecture + AE Firms
Top 60 Sports Facilities Engineering + EA Firms
Top 60 Sports Facilities Contractors + CM Firms
University Sector Trends Report | Sponsored by Viracon
Top 175 University Architecture + AE Firms | Sponsored by Viracon
Top 90 University Engineering + EA Firms | Sponsored by Viracon
Top 105 University Construction + CM Firms | Sponsored by Viracon
NEW IN 2018! Download a PDF of all 2018 Giants 300 Rankings
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Giants 400 | Nov 6, 2017
Top 15 transit engineering firms
AECOM, STV, and Arup top BD+C’s ranking of the nation’s largest transit sector engineering and EA firms, as reported in the 2017 Giants 300 Report.
Giants 400 | Nov 6, 2017
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Jacobs, Skidmore, Owings & Merrill, and Perkins+Will top BD+C’s ranking of the nation’s largest transit sector architecture and AE firms, as reported in the 2017 Giants 300 Report.
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Top 40 military construction firms
Fluor, Gilbane Building Co., and Hensel Phelps top BD+C’s ranking of the nation’s largest military sector contractors and construction management firms, as reported in the 2017 Giants 300 Report.
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Giants 400 | Nov 3, 2017
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Jacobs, Michael Baker Intl., and HDR top BD+C’s ranking of the nation’s largest military sector architecture and AE firms, as reported in the 2017 Giants 300 Report.
Giants 400 | Nov 2, 2017
Top 80 industrial construction firms
Walbridge, Jacobs, and Fluor top BD+C’s ranking of the nation’s largest industrial sector contractors and construction management firms, as reported in the 2017 Giants 300 Report.
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Top 35 industrial architecture firms
Jacobs, Stantec, and BRPH top BD+C’s ranking of the nation’s largest industrial sector architecture and AE firms, as reported in the 2017 Giants 300 Report.
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Giants 400 | Oct 30, 2017
Top 85 green construction firms
Turner Construction Co., Clark Group, and AECOM top BD+C’s ranking of the nation’s largest green sector contractors and construction management firms, as reported in the 2017 Giants 300 Report.
Giants 400 | Oct 30, 2017
Top 45 green engineering firms
WSP, AECOM, and Arup top BD+C’s ranking of the nation’s largest green sector engineering and EA firms, as reported in the 2017 Giants 300 Report.
