ENR 2021 Top 100 Green Buildings Design Firms
On his first day in the Oval Office, President Biden signed an executive order recommitting the U.S. to the Paris Agreement. With new targets set to curb carbon emissions and build a greener, more resilient future, design firms and contractors are now tasked with helping owners reshape what it means to be green in the age of COVID-19.
Current Top 100 Green Design Firms Story:
ENR Top 100 Green Design Firms and Contractors: Green Market Growth Stunted
More detailed information on the Top 100 Green Design Firms:View complete list with revenue and market data
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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 2019 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 ($) millions. Some markets may not add up to 100% due to rounding. Revenue from construction management on a fee-only basis is not included.
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ENR 2021 Top 100 Green Buildings Design Firms
| RANK 2021 | RANK 2020 | FIRM | GREEN ACCREDITED STAFF | GREEN DESIGN REVENUE ($ MIL.) |
|---|---|---|---|---|
| 1 | 1 | Gensler, Los Angeles, Calif. | 1,394 | 924.14 |
| 2 | 2 | AECOM, Los Angeles, Calif. | NA | 730 |
| 3 | 3 | Arup, New York, N.Y. | 161 | 379.45 |
| 4 | 4 | HOK, St. Louis, Mo. | 723 | 336.6 |
| 5 | 7 | HDR, Omaha, Neb. | 1,129 | 237.21 |
| 6 | 8 | Stantec Inc., Irvine, Calif. | 326 | 227.58 |
| 7 | 10 | HKS, Dallas, Texas | 4,007 | 205.01 |
| 8 | ** | Stanley Consultants, Muscatine, Iowa | 4 | 201.29 |
| 9 | 5 | Skidmore Owings & Merrill, New York, N.Y. | 314 | 190.1 |
| 10 | 11 | DLR Group, Minneapolis, Minn. | 301 | 184.6 |
| 11 | 14 | ZGF Architects LLP, Portland, Ore. | 245 | 174.14 |
| 12 | 12 | WSP USA, New York, N.Y. | 1,651 | 150 |
| 13 | 13 | CannonDesign, New York City, N.Y. | 280 | 150 |
| 14 | 19 | Kimley-Horn, Raleigh, N.C. | 133 | 147.47 |
| 15 | 17 | Burns & McDonnell, Kansas City, Mo. | 198 | 128.09 |
| 16 | 23 | NBBJ, Seattle, Wash. | 232 | 112.1 |
| 17 | 18 | SmithGroup, Detroit, Mich. | 449 | 101.6 |
| 18 | 15 | EYP Architecture & Engineering, Albany, N.Y. | 142 | 101.04 |
| 19 | ** | BR+A Consulting Engineers, Boston, Mass. | 94 | 99.62 |
| 20 | 21 | Perkins&Will, Chicago, Ill. | 1,644 | 85.5 |