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.
- Top 40 Transit Facility Architecture and AE Firms for 2021
- Top 40 Transit Facility Engineering and EA Firms for 2021
- Top 30 Transit Facility Contractors and CM Firms for 2021
SOURCE: 2021 Giants 400 Report
SOURCE: 2021 Giants 400 Report
SOURCE: 2021 Giants 400 Report
BACK TO THE 2021 GIANTS 400 LANDING PAGE
Related Stories
Giants 400 | Aug 22, 2023
2023 Giants 400 Report: Ranking the nation's largest architecture, engineering, and construction firms
A record 552 AEC firms submitted data for BD+C's 2023 Giants 400 Report. The final report includes 137 rankings across 25 building sectors and specialty categories.
Giants 400 | Aug 22, 2023
Top 175 Architecture Firms for 2023
Gensler, HKS, Perkins&Will, Corgan, and Perkins Eastman top the rankings of the nation's largest architecture firms for nonresidential building and multifamily housing work, as reported in Building Design+Construction's 2023 Giants 400 Report.
Giants 400 | Feb 9, 2023
New Giants 400 download: Get the complete at-a-glance 2022 Giants 400 rankings in Excel
See how your architecture, engineering, or construction firm stacks up against the nation's AEC Giants. For more than 45 years, the editors of Building Design+Construction have surveyed the largest AEC firms in the U.S./Canada to create the annual Giants 400 report. This year, a record 519 firms participated in the Giants 400 report. The final report includes 137 rankings across 25 building sectors and specialty categories.
Giants 400 | Feb 6, 2023
2022 Reconstruction Sector Giants: Top architecture, engineering, and construction firms in the U.S. building reconstruction and renovation sector
Gensler, Stantec, IPS, Alfa Tech, STO Building Group, and Turner Construction top BD+C's rankings of the nation's largest reconstruction sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Transit Facility Giants: Top architecture, engineering, and construction firms in the U.S. transit facility sector
Walsh Group, Skanska USA, HDR, Perkins and Will, and AECOM top BD+C's rankings of the nation's largest transit facility sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Telecommunications Facility Sector Giants: Top architecture, engineering, and construction firms in the U.S. telecommunications facility sector
AECOM, Alfa Tech, Kraus-Anderson, and Stantec head BD+C's rankings of the nation's largest telecommunications facility sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Religious Sector Giants: Top architecture, engineering, and construction firms in the U.S. religious facility construction sector
HOK, Parkhill, KPFF, Shawmut Design and Construction, and Wiss, Janney, Elstner head BD+C's rankings of the nation's largest religious facility sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Justice Facility Sector Giants: Top architecture, engineering, and construction firms in the U.S. justice facility/public safety sector
Stantec, DLR Group, Turner Construction, STO Building Group, AECOM, and Dewberry 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 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Parking Structure Giants: Top architecture, engineering, and construction firms in the U.S. parking structure sector
Choate Parking Consultants, Walker Consultants, Kimley-Horn, PCL, and Balfour Beatty top BD+C's rankings of the nation's largest parking structure sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 3, 2023
Top Workplace/Interior Fitout Architecture, Engineering, and Construction Firms for 2022
Gensler, Interior Architects, AECOM, STO Building Group, and CBRE top the ranking of the nation's largest workplace/interior fitout architecture, engineering, and construction firms, as reported in Building Design+Construction's 2022 Giants 400 Report.
