ENR 2025 Top 100 Green Buildings Design Firms
Federal funding clawbacks targeting sustainability-minded programs are expected to stunt U.S. 2050 emissions goals by as much as 7 billion tonnes by 2030, experts warn. But despite those shifting political priorities, ENR’s Top 100 Green Design Firms and Contractors say an “inevitable” evolution is lurching the green building market forward.
Current Top 100 Green Design Firms Story:
ENR Top Green Firms: Rewards Outgrow Risks
More detailed information on the Top 100 Green Design Firms:View complete list with revenue and market data
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2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008
Companies are ranked according to revenue for construction or design services generated in 2024 from projects that have been registered with or certified by a third-party organization that sets standards for measuring a building’s or facility's environmental impact, energy efficiency or carbon footprint. Such groups include the U.S. Green Building Council (USGBC) and the Green Building Initiative. The volume of revenue is measured in ($) millions. Some markets may not add up to 100% due to rounding. Revenue from construction management on a fee-only basis is not included.
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ENR 2025 Top 100 Green Buildings Design Firms
| RANK 2025 | RANK 2024 | FIRM | GREEN ACCREDITED STAFF | GREEN DESIGN REVENUE ($ MIL.) |
|---|---|---|---|---|
| 1 | 1 | AECOM, Dallas, Texas | NA | 1,283.25 |
| 2 | 2 | Gensler, Los Angeles, Calif. | 1,641 | 1,092.80 |
| 3 | 7 | WSP USA, New York, N.Y. | 1,430 | 593.92 |
| 4 | 4 | Tetra Tech, Pasadena, Calif. | NA | 524 |
| 5 | 3 | Arup US Inc., New York, N.Y. | 235 | 515.5 |