ENR 2019 Top 500 Design Firms 301-400


The market for large design firms right now may be the best that it has ever been. There are those who believe that the market growth, which has continued into its 10th year, cannot last and that we are due for a downturn. But people in the industry have been saying that for the past three-to-four years, yet the growth has continued unabated.

The table below shows only rankings and firm name. For complete data from the Top 500 Design Firms list see the following links.

ENR 2019 Top 500
More detailed information on the Top 500 Design Firms:

View complete list with revenue and market data

Current Top 500 Design Firms Story:
ENR Top 500 Design Firms: The Market Keeps Growing

Click below for earlier editions:
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 2018 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 2019 Top 500 Design Firms


001-100 | 101-200 | 201-300 | 301-400 | 401-500
FIRM 2019 FIRM 2018 FIRM FIRM TYPE
301 246 D&B ENGINEERS AND ARCHITECTS PC, Woodbury, N.Y. EA
302 328 D’AMATO CONVERSANO INC. DBA DCI ENGINEERS, Seattle, Wash.† E
303 ** CBT, Boston, Mass. A
304 354 ATCS PLC, Herndon, Va. E
305 344 THE S/L/A/M COLLABORATIVE, Glastonbury, Conn.† A
306 305 PROFESSIONAL ENGINEERING CONSULTANTS PA, Wichita, Kan. E
307 298 DESIMONE CONSULTING ENGINEERS, New York, N.Y. E
308 271 SRF CONSULTING GROUP INC., Plymouth, Minn. E
309 350 DRAPER ADEN ASSOCIATES INC., Richmond, Va. AE
310 307 SME, Plymouth, Mich. E
311 302 HART HOWERTON, New York, N.Y.† A
312 326 KISINGER CAMPO & ASSOCIATES CORP., Tampa, Fla. E
313 338 HLW INTERNATIONAL LLP, New York, N.Y. A
314 313 KENDALL/HEATON ASSOCIATES INC., Houston, Texas A
315 329 TOLUNAY-WONG ENGINEERS INC., Houston, Texas GE
316 339 GP STRATEGIES, Columbia, Md.† E
317 277 SHEPLEY BULFINCH, Boston, Mass. A
318 355 NOVA ENGINEERING & ENVIRONMENTAL LLC, Kennesaw, Ga. E
319 314 THE MANNIK & SMITH GROUP INC., Maumee, Ohio E
320 306 BALLINGER, Philadelphia, Pa. AE
321 315 WD PARTNERS, Dublin, Ohio† AE
322 321 AYRES ASSOCIATES INC., Eau Claire, Wis. EA
323 345 THE BECK GROUP, Dallas, Texas A
324 414 VLK ARCHITECTS, Fort Worth, Texas A
325 346 LARSON DESIGN GROUP INC., Williamsport, Pa. EA
326 340 AYERS SAINT GROSS, Baltimore, Md. A
327 297 LMN ARCHITECTS, Seattle, Wash. A
328 348 BAXTER & WOODMAN INC., Crystal Lake, Ill.† E
329 331 TREANORHL, Lawrence, Kan. A
330 309 FUSS & O’NEILL INC., Manchester, Conn.† E
331 343 MORRISON-MAIERLE INC., Helena, Mont. E
332 360 DGA PLANNING | ARCHITECTURE | INTERIORS, Mountain View, Calif. A
333 322 MITHUN, Seattle, Wash. A
334 318 PS&S, Warren, N.J. EA
335 295 NAC ARCHITECTURE, Spokane, Wash. A
336 359 FENTRESS ARCHITECTS, Denver, Colo. A
337 310 MSA PROFESSIONAL SERVICES INC., Baraboo, Wis. EA
338 358 BARTON & LOGUIDICE DPC, Liverpool, N.Y. E
339 301 DANNENBAUM ENGINEERING CORP., Houston, Texas E
340 361 KIRKSEY ARCHITECTURE, Houston, Texas A
341 ** E4H ENVIRONMENTS FOR HEALTH ARCHITECTURE, Boston, Mass. A
342 317 WALDEMAR S. NELSON AND CO. INC., New Orleans, La. EA
343 341 ON-BOARD ENGINEERING CORP., East Windsor, N.J. E
344 380 BHDP ARCHITECTURE, Cincinnati, Ohio A
345 316 COLLINS ENGINEERS INC., Chicago, Ill. E
346 390 WILEY|WILSON, Lynchburg, Va. AE
347 356 I.C. THOMASSON ASSOCIATES INC., Nashville, Tenn. E
348 337 DAVIS PARTNERSHIP ARCHITECTS, Denver, Colo. A
349 407 ROBERT DERECTOR ASSOCIATES, New York, N.Y. E
350 332 BWBR, St. Paul, Minn. A
351 335 HILLIS-CARNES ENGINEERING ASSOCIATES INC., Annapolis Junction, Md. E
352 ** SYSTRA USA, New York, N.Y.† E
353 386 HUBBELL, ROTH & CLARK INC., Bloomfield Hills, Mich. EA
354 374 LEIGHTON GROUP INC., Irvine, Calif.† GE
355 364 LIONAKIS, Sacramento, Calif.† AE
356 293 WILSON ASSOCIATES, Dallas, Texas A
357 357 JORDAN & SKALA ENGINEERS, Atlanta, Ga. E
358 347 MCLAREN ENGINEERING GROUP, Woodcliff Lake, N.J. E
359 388 C&I ENGINEERING, Louisville, Ky. E
360 452 BINKLEY & BARFIELD INC., Houston, Texas† E
361 349 GEOCON, San Diego, Calif. GE
362 372 MARTIN/MARTIN INC. CONSULTING ENGINEERS, Lakewood, Colo.† E
363 422 MBH ARCHITECTS, Alameda, Calif. A
364 ** FROEHLING & ROBERTSON INC., Richmond, Va. E
365 409 JCJ ARCHITECTURE, Hartford, Conn. A
366 366 CPH INC., Sanford, Fla. EA
367 471 MODJESKI AND MASTERS INC., Mechanicsburg, Pa. E
368 383 WIGHT & CO., Darien, Ill. AE
369 404 SEPI ENGINEERING AND CONSTRUCTION INC., Raleigh, N.C. E
370 370 P2S INC., Long Beach, Calif. E
371 382 RATIO ARCHITECTS INC., Indianapolis, Ind. A
372 405 GRAEF, Milwaukee, Wis. EA
373 444 CO ARCHITECTS, Los Angeles, Calif. A
374 378 WRIGHT-PIERCE, Topsham, Maine E
375 336 STEINBERG HART, San Jose, Calif.† A
376 389 T. BAKER SMITH LLC, Houma, La. E
377 365 INTEGRUS ARCHITECTURE PS, Spokane, Wash. AE
378 363 MANHARD CONSULTING LTD., Lincolnshire, Ill. E
379 411 SUNRISE ENGINEERING INC., Fillmore, Utah† E
380 435 ENGLAND-THIMS & MILLER INC., Jacksonville, Fla.† E/LA/P
381 ** NILES BOLTON ASSOCIATES, Atlanta, Ga. A
382 392 ADRIAN SMITH + GORDON GILL ARCHITECTURE, Chicago, Ill. A
383 333 SPEC SERVICES INC., Fountain Valley, Calif.† E
384 403 PBS ENGINEERING AND ENVIRONMENTAL INC., Portland, Ore. E
385 351 FXCOLLABORATIVE, New York, N.Y. A
386 375 AI ENGINEERS INC., Middletown, Conn. E
387 431 HEAPY ENGINEERING, Dayton, Ohio† E
388 490 BALA CONSULTING ENGINEERS INC., King of Prussia, Pa. E
389 319 COMMONWEALTH ASSOCIATES INC., Jackson, Mich. E
390 ** C.H. FENSTERMAKER & ASSOCIATES LLC, Lafayette, La. ENV
391 420 KAPUR & ASSOCIATES, Milwaukee, Wis. E
392 369 WALLACE MONTGOMERY & ASSOCIATES LLP, Hunt Valley, Md. E
393 417 ADVANTAGE ENGINEERS LLC, Columbia, Md. E
394 432 DEGENKOLB ENGINEERS, San Francisco, Calif. E
395 410 STEELMAN PARTNERS, Las Vegas, Nev.† A
396 447 WK DICKSON & CO. INC., Charlotte, N.C. E
397 367 MUESER RUTLEDGE CONSULTING ENGINEERS, New York, N.Y. E
398 342 MAZZETTI, San Francisco, Calif. E
399 425 RDG PLANNING & DESIGN, Des Moines, Iowa† A
400 423 GBA, Lenexa, Kan.† EA

001-100 | 101-200 | 201-300 | 301-400 | 401-500