ENR 2026 Top 500 Design Firms
With some economists forecasting that an expected $1.75 trillion in AI-related infrastructure spending will drive U.S. economic growth well into 2027, the phrase “a rising tide lifts all boats” rings true—at least for participants on this year’s Top 500 Design Firms list. Overall, firms clinched a 7.4% increase in revenue last year to $158.7 billion.
More detailed information on the Top 500 Design Firms:
View complete list with revenue and market data
Current Top 500 Design Firms Story:
ENR 2026 Top 500 Design Firms: AI Boom Buoys Design Revenue
Click below for earlier editions:
2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003
Companies are ranked according to revenue for design services performed in 2025 in $ millions (*). Those with subsidiaries are indicated by (†). For information on subsidiaries and where each firm worked outside of the U.S., see www.enr.com. **Firms not ranked last year. Some markets may not add up to 100% due to omission of “other” miscellaneous market category and rounding. NA-Not available.
Key to Type of Firm: A architect, E engineer, EC engineer-contractor, AE architect-engineer, EA engineer-architect, ENV environmental, GE geotechnical engineer, L landscape architect, P planner and O other. Other combinations are possible. Firms classified themselves.
ENR 2026 Top 500 Design Firms
| RANK 2026 | RANK 2025 | FIRM | FIRM TYPE |
|---|---|---|---|
| 401 | 455 | SGA Design Group, Tulsa, Okla. | A |
| 402 | 432 | Wendel, Williamsville, N.Y.† | M |
| 403 | 410 | Treanor, Lawrence, Kan. | M |
| 404 | 394 | ROWE Professional Services Co., Flint, Mich. | M |
| 405 | 449 | Building & Earth Sciences LLC, Birmingham, Ala. | GE |
| 406 | 415 | RJN Group, Downers Grove, Ill. | E |
| 407 | 403 | Schmidt Associates, Indianapolis, Ind. | AE |
| 408 | 393 | Wallace Montgomery & Associates LLP, Hunt Valley, Md. | E |
| 409 | ** | 10N Collective, San Francisco, Calif. | M |
| 410 | 424 | Metric Engineering Inc., Miami, Fla. | E |
| 411 | 333 | JCJ Architecture, Hartford, Conn. | A |
| 412 | ** | Ci Design Inc., Baltimore, Md. | M |
| 413 | 377 | SPEC Services Inc., Fountain Valley, Calif. | M |
| 414 | 430 | C&I Engineering, Louisville, Ky. | E |
| 415 | 383 | RRMM Architects, Chesapeake, Va. | A |
| 416 | 461 | HASTINGS Architecture, Nashville, Tenn. | A |
| 417 | 418 | Common Arts, Long Beach, Calif.† | M |
| 418 | 486 | GBBN, Cincinnati, Ohio | A |
| 419 | ** | Massa Multimedia Architecture PC, Neptune, N.J. | A |
| 420 | 473 | Swanson Rink, Denver, Colo. | M |
| 421 | 451 | MBH Architects, Alameda, Calif. | A |
| 422 | 440 | Nexus Engineering Group, Cleveland, Ohio | E |
| 423 | 401 | Array Architects, Conshohocken, Pa. | A |
| 424 | 457 | LHB Inc., Duluth, Minn.† | EA |
| 425 | 447 | Rinker Design Associates LLC, Manassas, Va. | M |
| 426 | ** | Allana Buick & Bers Inc., Palo Alto, Calif. | M |
| 427 | 350 | HVJ Associates Inc., Houston, Texas | M |
| 428 | 443 | Hussey Gay Bell, Savannah, Ga. | EA |
| 429 | 439 | Dokken Engineering, Folsom, Calif. | M |
| 430 | ** | Wiley|Wilson, Lynchburg, Va. | EA |
| 431 | 477 | CSA Group, New York, N.Y.† | M |
| 432 | 356 | M3 Engineering and Technology Corp., Tucson, Ariz. | EA |
| 433 | 446 | Niles Bolton Associates, Atlanta, Ga. | A |
| 434 | 334 | AFRY, Appleton, Wis. | EA |
| 435 | 448 | Donohue & Associates Inc., Sheboygan, Wis. | E |
| 436 | 420 | DAHLIN Architecture | Planning | Interiors, Pleasanton, Calif. | M |
| 437 | 478 | Crabtree Rohrbaugh & Associates, Mechanicsburg, Pa. | A |
| 438 | 470 | The EADS Group Inc., Altoona, Pa. | EA |
| 439 | 460 | Jordan & Skala Engineers, Norcross, Ga. | E |
| 440 | 442 | Davis Partnership Architects, Denver, Colo. | A |
| 441 | 459 | Kahler Slater, Milwaukee, Wis. | A |
| 442 | 431 | Baskervill, Richmond, Va. | A |
| 443 | 476 | MG Engineering D.P.C., New York, N.Y. | E |
| 444 | 441 | Gonzalez Cos. LLC, St. Louis, Mo. | M |
| 445 | 395 | Souder Miller & Associates Inc., Albuquerque, N.M. | M |
| 446 | 475 | Alliiance, Minneapolis, Minn. | A |
| 447 | 428 | Marmon Mok Architecture, San Antonio, Texas | M |
| 448 | 468 | Cordogan Clark, Aurora, Ill. | EA |
| 449 | 434 | Sanborn Head & Associates Inc., Bedford, N.H. | M |
| 450 | 437 | Clark Dietz Inc., Champaign, Ill. | E |
| 451 | ** | Power Design Inc., St. Petersburg, Fla. | EC |
| 452 | 435 | Fehr Graham Engineering & Environmental, Freeport, Ill. | M |
| 453 | ** | 19six Architects, San Luis Obispo, Calif. | AE |
| 454 | 444 | Dekker, Albuquerque, N.M. | A |
| 455 | ** | Quattrocchi Kwok Architects, Santa Rosa, Calif. | A |
| 456 | 452 | Mueser Rutledge Consulting Engineers PLLC, New York, N.Y. | M |
| 457 | 407 | Network Connex, Downers Grove, Ill. | E |
| 458 | 458 | FCA, Philadelphia, Pa. | M |
| 459 | 483 | Lanier & Associates Consulting Engineers Inc., New Orleans, La. | E |
| 460 | 471 | CMT Technical Services, West Valley City, Utah | M |
| 461 | 436 | Rina Consulting, Chicago, Ill.† | M |
| 462 | 450 | CTL|Thompson Inc., Centennial, Colo.† | E |
| 463 | ** | Arrowstreet, Boston, Mass.† | A |
| 464 | 438 | TAI Engineering, Owings Mills, Md. | EC |
| 465 | 474 | Jones Edmunds & Associates Inc., Alachua, Fla.† | O |
| 466 | ** | PEA Group, Auburn Hills, Mich. | M |
| 467 | 488 | H.F. Lenz Co., Johnstown, Pa. | E |
| 468 | ** | Ruhnau Clarke, Riverside, Calif. | A |
| 469 | 479 | Landrum & Brown Inc., Cincinnati, Ohio† | M |
| 470 | 472 | Patel Greene & Associates LLC, Temple Terrace, Fla. | E |
| 471 | ** | Intecsa Group, Dover, Del.† | M |
| 472 | ** | AVCON Inc., Orlando, Fla. | M |
| 473 | ** | Fanning Howey, Celina, Ohio | AE |
| 474 | 463 | BETA Group Inc., Lincoln, R.I. | M |
| 475 | 352 | Gray, Lexington, Ky.† | M |
| 476 | 423 | Lawrence Group, St. Louis, Mo. | M |
| 477 | ** | Mancini Duffy, New York, N.Y. | A |
| 478 | 412 | Lord Aeck Sargent Planning & Design Inc., Atlanta, Ga. | A |
| 479 | 469 | Lamp Rynearson Inc., Omaha, Neb. | M |
| 480 | ** | PM Design Inc., Rocklin, Calif. | AE |
| 481 | ** | Becker Morgan Group Inc., Salisbury, Md. | AE |
| 482 | 400 | Mazzetti, San Francisco, Calif. | E |
| 483 | 489 | Qk4 Inc., Louisville, Ky. | M |
| 484 | 484 | Dunham Associates, Minneapolis, Minn. | E |
| 485 | 490 | Rebel Design+Group, Marina Del Rey, Calif.† | A |
| 486 | ** | Onyx Creative Inc., Cleveland, Ohio | AE |
| 487 | 406 | VCBO Architecture, Salt Lake City, Utah | A |
| 488 | 456 | Bridgefarmer & Associates Inc., Dallas, Texas | EC |
| 489 | 467 | CSO, Indianapolis, Ind. | M |
| 490 | 445 | EL Robinson Engineering, Charleston, W.Va.† | E |
| 491 | ** | BFW/Marcum, Paducah, Ky. | M |
| 492 | ** | Bowen Collins & Associates Inc., Draper, Utah | E |
| 493 | ** | Fenstermaker, Lafayette, La. | M |
| 494 | ** | Spiezle Architectural Group, Hamilton, N.J. | AE |
| 495 | ** | R.E. Warner & Associates Inc., North Olmsted, Ohio | EA |
| 496 | 487 | Taylor Design, Tustin, Calif. | A |
| 497 | 499 | Chen Moore and Associates Inc., Fort Lauderdale, Fla. | M |
| 498 | 480 | AHL, Honolulu, Hawaii | M |
| 499 | ** | KZF Design, Cincinnati, Ohio | M |
| 500 | 494 | D&B Engineers and Architects DPC, Woodbury, N.Y. | EA |