June 2026
The AI boom’s rising tide has lifted business prospects for Top 100 Professional Services Firms based on this year’s reported $36.9 billion in combined revenue for CM/PM-for-fee services—up 31.2% from last year. Such gains aren’t without risks, firm execs noted in comments to ENR. Facing rapidly shifting owner needs, firms are building capacity to drive more success.

More detailed information on the Top 100 Professional Service Firms:
View complete list with revenue and market data
Related Article:
ENR 2026 Top Professional Services Firms Deepen Depth of Services
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2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003
| RANK 2026 | FIRM | 2025 DOMESTIC REVENUE in $Mil. | 2025 INT'L REVENUE in $Mil. | 2025 TOTAL REVENUE in $Mil. |
|---|---|---|---|---|
| 1 | Turner & Townsend, New York, N.Y. | 1,764.2 | 1,733.1 | 3,497.3 |
| 2 | AECOM, Dallas, Texas | 1,548.1 | 604.1 | 2,152.1 |
| 3 | Parsons, Chantilly, Va. | 1,300.1 | 781.8 | 2,081.9 |
| 4 | Jacobs Solutions Inc., Dallas, Texas | 1,248.1 | 765.0 | 2,013.1 |
| 5 | Bechtel, Reston, Va. | 1,403.0 | 54.0 | 1,457.0 |
| 6 | Accenture, Chicago, Ill. | 421.0 | 798.4 | 1,219.4 |
| 7 | Mace, New York City, N.Y. | 150.0 | 1,022.0 | 1,172.0 |
| 8 | Cushman & Wakefield, Chicago, Ill. | 338.0 | 617.0 | 955.0 |
| 9 | AtkinsRÈalis, Orlando, Fla. | 790.8 | 0.0 | 790.8 |
| 10 | Hill Int’l (GISI Consulting Group), Mount Laurel, N.J. | 269.5 | 367.8 | 637.3 |
| 11 | Colliers Engineering & Design, Holmdel, N.J. | 46.9 | 528.8 | 575.7 |
| 12 | Cumming Group, New York, N.Y. | 465.4 | 89.0 | 554.4 |
| 13 | JLL (Jones Lang LaSalle), Chicago, Ill. | 497.2 | 20.0 | 517.2 |
| 14 | HDR, Omaha, Neb. | 366.2 | 58.7 | 424.8 |
| 15 | Bureau Veritas, Houston, Texas | 69.0 | 244.0 | 313.0 |
| 16 | IPS-Integrated Project Services LLC, Blue Bell, Pa. | 98.4 | 192.9 | 291.3 |
| 17 | WSP, New York, N.Y. | 219.2 | 5.0 | 224.2 |
| 18 | Arcadis North America, Highlands Ranch, Colo. | 189.7 | 22.0 | 211.7 |
| 19 | Consertus Inc., Miami, Fla. | 190.6 | 18.3 | 208.9 |
| 20 | BDO Government Services, Ridgeland, Miss. | 143.4 | 0.0 | 143.4 |
| 21 | Michael Baker International, Pittsburgh, Pa. | 124.0 | 0.0 | 124.0 |
| 22 | Brailsford & Dunlavey/PMA, Washington, D.C. | 118.8 | 0.0 | 118.8 |
| 23 | NV5 Global Inc., Hollywood, Fla. | 101.7 | 14.4 | 116.1 |
| 24 | CDM Smith, Boston, Mass. | 81.6 | 32.6 | 114.2 |
| 25 | Versar Global Solutions, Washington, D.C. | 71.7 | 31.6 | 103.3 |
| 26 | APTIM, Baton Rouge, La. | 65.8 | 34.7 | 100.5 |
| 27 | Brown and Caldwell, Walnut Creek, Calif. | 97.9 | 0.0 | 97.9 |
| 28 | LEMOINE, Lafayette, La. | 96.4 | 0.0 | 96.4 |
| 29 | The Boldt Group, Appleton, Wis. | 79.9 | 0.0 | 79.9 |
| 30 | LaBella Associates DPC, Rochester, N.Y. | 79.0 | 0.0 | 79.0 |
| 31 | Hoar Program Management LLC, Birmingham, Ala. | 78.9 | 0.0 | 78.9 |
| 32 | Hatch Associates Consultants Inc., Pittsburgh, Pa. | 75.0 | 0.2 | 75.2 |
| 33 | MGAC, Washington, D.C. | 67.0 | 8.0 | 75.0 |
| 34 | Stantec Inc., Irvine, Calif. | 69.8 | 0.0 | 69.8 |
| 35 | Carollo Engineers, Walnut Creek, Calif. | 63.5 | 2.6 | 66.1 |
| 36 | Actalent Services, Hanover, Md. | 62.9 | 2.8 | 65.7 |
| 37 | Hunt Guillot & Associates LLC, Ruston., La. | 60.8 | 3.5 | 64.3 |
| 38 | Cordoba Corp., Los Angeles, Calif. | 62.0 | 0.0 | 62.0 |
| 39 | Pro2Serve, Knoxville, Tenn. | 59.9 | 0.0 | 59.9 |
| 40 | CSA Group, New York, N.Y. | 57.8 | 1.9 | 59.7 |
| 41 | Hunter Roberts Construction Group, New York City, N.Y. | 58.0 | 0.0 | 58.0 |
| 42 | Gilbane Building Co., Providence, R.I. | 22.6 | 30.4 | 53.1 |
| 43 | PMA Consultants LLC, Ann Arbor, Mich. | 48.2 | 1.6 | 49.9 |
| 44 | Lockwood Andrews & Newnam Inc., Houston, Texas | 43.2 | 0.0 | 43.2 |
| 45 | Hazen and Sawyer, New York, N.Y. | 37.3 | 0.0 | 37.3 |
| 46 | CHA Consulting Inc., Albany, N.Y. | 35.6 | 0.0 | 35.6 |
| 47 | Skanska USA, New York, N.Y. | 35.6 | 0.0 | 35.6 |
| 48 | AOA, Winter Park, Fla. | 32.8 | 2.3 | 35.2 |
| 49 | Atlas Technical Consultants, Denver, Colo. | 35.0 | 0.0 | 35.0 |
| 50 | Lea+Elliott Inc., Dulles, Va. | 30.1 | 3.7 | 33.8 |
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