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 |
|---|---|---|---|
| 201 | 212 | CESO Inc., Dayton, Ohio | AE |
| 202 | ** | Grace Design Studios LLC, Baton Rouge, La. | M |
| 203 | 219 | True Environmental, New York, N.Y.† | M |
| 204 | 196 | Crawford Murphy & Tilly, Springfield, Ill. | M |
| 205 | 211 | Congruex , Boulder, Colo. | M |
| 206 | 235 | Jaros Baum & Bolles, New York, N.Y. | E |
| 207 | 207 | OHM Advisors, Livonia, Mich. | M |
| 208 | 226 | HCM, Baltimore, Md. | A |
| 209 | 200 | Otak Inc., Portland, Ore.† | M |
| 210 | 190 | WGI Inc., West Palm Beach, Fla.† | E |
| 211 | 191 | Introba Inc., St. Louis, Mo.† | M |
| 212 | 254 | AKRF Inc., New York City, N.Y. | M |
| 213 | 232 | WATG, Tustin, Calif. | M |
| 214 | 230 | Shannon & Wilson, Seattle, Wash. | M |
| 215 | 208 | COWI North America Inc., Seattle, Wash.† | O |
| 216 | 222 | KLJ Engineering, Bismarck, N.D. | E |
| 217 | 224 | Tectonic Eng’g Consult. Geologists & Surveyors, Mountainville, N.Y. | O |
| 218 | 252 | RRC Power & Energy LLC, Round Rock, Texas† | M |
| 219 | 221 | H2M architects + engineers, Melville, N.Y.† | M |
| 220 | 239 | PRIME AE Group Inc., Jacksonville, Fla.† | M |
| 221 | 217 | ME Engineers, Golden, Colo.† | E |
| 222 | ** | J-U-B ENGINEERS Inc., Meridian, Idaho | M |
| 223 | 250 | McAdams, Raleigh, N.C. | M |
| 224 | 266 | The Mannik & Smith Group Inc., Maumee, Ohio | M |
| 225 | 198 | Flad Architects, Madison, Wis. | M |
| 226 | 262 | CTA Inc. dba Cushing Terrell, Billings, Mont. | M |
| 227 | 220 | Orbital Engineering Inc., Pittsburgh, Pa. | E |
| 228 | 218 | GeoEngineers Inc., Redmond, Wash. | M |
| 229 | 229 | DeSimone Consulting Engineering, New York, N.Y.† | M |
| 230 | 245 | ISG, Mankato, Minn. | M |
| 231 | 233 | BL Cos. Inc., Meriden, Conn. | M |
| 232 | 253 | RTM Engineering Consultants LLC, Schaumburg, Ill. | E |
| 233 | 271 | JLL (Jones Lang LaSalle), Chicago, Ill. | EA |
| 234 | 225 | LEO A DALY, Omaha, Neb. | AE |
| 235 | 258 | A. Morton Thomas and Associates Inc., Rockville, Md.† | M |
| 236 | ** | Wold Architects and Engineers, Minneapolis, Minn. | M |
| 237 | 234 | Bartlett & West, Topeka, Kan.† | EC |
| 238 | 228 | Haskell, Jacksonville, Fla.† | M |
| 239 | 280 | Cooper Carry, Atlanta, Ga. | M |
| 240 | 238 | Larson Design Group, Cranberry Township, Pa. | M |
| 241 | 249 | Degenkolb Engineers, San Francisco, Calif.† | E |
| 242 | 236 | AO, Orange, Calif. | A |
| 243 | 237 | Burns Engineering Inc., Philadelphia, Pa. | E |
| 244 | 256 | KTGY, Irvine, Calif. | M |
| 245 | 285 | RAMSA (Robert A.M. Stern Architects), New York, N.Y. | A |
| 246 | 247 | NOVA Engineering and Environmental, Kennesaw, Ga. | M |
| 247 | 240 | Kennedy/Jenks Consultants Inc., San Francisco, Calif. | E |
| 248 | 259 | TKDA, Bloomington, Minn. | M |
| 249 | 244 | Collins Engineers Inc., Chicago, Ill. | O |
| 250 | 257 | Fehr & Peers, Walnut Creek, Calif. | O |
| 251 | 261 | CPL Architecture Eng’g and Planning, Fairport, N.Y. | M |
| 252 | 276 | TTL Inc., Tuscaloosa, Ala. | M |
| 253 | 278 | Geo-Logic Associates Inc., Ontario, Calif.† | M |
| 254 | 264 | Fuss & O’Neill Inc., Hartford, Conn.† | M |
| 255 | 265 | Wood Rodgers Inc., Sacramento, Calif. | O |
| 256 | 227 | Tata Consulting Engineers, Houston, Texas | E |
| 257 | 251 | McCormick Taylor Inc., Philadelphia, Pa. | M |
| 258 | 274 | T&M Associates, Middletown, N.J.† | M |
| 259 | 294 | CPH Consulting, Sanford, Fla. | M |
| 260 | 260 | SRF Consulting Group Inc., Minneapolis, Minn. | M |
| 261 | 243 | Moseley Inc., Richmond, Va. | AE |
| 262 | 275 | RMF Engineering, Catonsville, Md. | E |
| 263 | 272 | Kisinger Campo & Associates Corp., Tampa, Fla. | E |
| 264 | 279 | Barton & Loguidice D.P.C., Liverpool, N.Y.† | M |
| 265 | 277 | Baxter & Woodman Inc., Crystal Lake, Ill. | E |
| 266 | ** | Ampirical, Covington, La. | EC |
| 267 | 288 | MSA Professional Services Inc., Baraboo, Wis. | M |
| 268 | 281 | PAE Consulting Engineers, Portland, Ore. | E |
| 269 | 299 | AI Engineers Inc., Middletown, Conn.† | E |
| 270 | 297 | Kirksey Architects Inc., Houston, Texas | A |
| 271 | 205 | Arquitectonica, Miami, Fla. | M |
| 272 | 310 | Cuningham, Minneapolis, Minn. | A |
| 273 | 273 | Artheon, East Brunswick, N.J.† | M |
| 274 | 284 | Soil and Materials Engineers Inc. dba SME, Plymouth, Mich. | M |
| 275 | 282 | ms consultants inc., Columbus, Ohio | M |
| 276 | 298 | EMH&T, New Albany, Ohio | M |
| 277 | 292 | ARM Group Enterprises Inc., Hershey, Pa. | M |
| 278 | 267 | RATIO Design, Indianapolis, Ind. | A |
| 279 | 296 | Moody Nolan Inc., Columbus, Ohio | A |
| 280 | 287 | DGA, Mountain View, Calif. | A |
| 281 | 289 | Little Diversified Architectural Consulting, Charlotte, N.C. | AE |
| 282 | 291 | WithersRavenel Inc, Cary, N.C. | M |
| 283 | 241 | Lockwood Andrews & Newnam Inc., Houston, Texas | E |
| 284 | 375 | Boswell, South Hackensack, N.J. | M |
| 285 | ** | DLB Associates Consulting Engineers PC, Neptune, N.J. | M |
| 286 | 309 | Boulder Associates, Boulder, Colo. | M |
| 287 | 300 | LJB Inc., Miamisburg, Ohio | E |
| 288 | 318 | Galloway & Co. Inc., Denver, Colo. | EA |
| 289 | ** | Elkus Manfredi Architects, Boston, Mass. | M |
| 290 | 317 | Ayres, Eau Claire, Wis. | M |
| 291 | 324 | P2S LP, Long Beach, Calif. | E |
| 292 | 316 | Wright-Pierce, Topsham, Maine | EA |
| 293 | 320 | CO Architects, Los Angeles, Calif. | A |
| 294 | 305 | V3 Cos. Ltd., Woodridge, Ill.† | M |
| 295 | 263 | BSA, Carmel, Ind. | M |
| 296 | 321 | Modjeski and Masters Inc., Mechanicsburg, Pa.† | E |
| 297 | 302 | Sunrise Engineering, Fillmore, Utah† | M |
| 298 | 364 | The Beck Group, Dallas, Texas | A |
| 299 | 283 | Ballinger, Philadelphia, Pa. | AE |
| 300 | 405 | Hunt Guillot & Associates LLC, Ruston, La. | EC |