The 2015 Top 500 Design Firms 301-400
For ENR, it was a watershed year. We recognized individual contributions to the industry by citing people who "Made Their Marks" in 1965. In addition, fresh off the first ENR Top 400 Contractors list in 1964, ENR published its first-ever Top 500 Design Firms list.
More detailed information on the Top 500 Design Firms:
View complete list with revenue and market data
Current Top 500 Design Firms Story:
The 2015 ENR Top 500 Design Firms: Consolidation Complications
Click below for earlier editions:
2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003
Companies are ranked according to revenue for design services performed in 2007 in $ millions (*). Those with subsidiaries are indicated by (†). Firms not ranked last year are designated **. 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; O=other. Other combinations possible. Firms classified themselves.
| RANK 2015/2014 | FIRM | FIRM TYPE |
|---|---|---|
|
301/312
|
GreenbergFarrow, Atlanta, Ga. |
AE
|
|
302/238
|
ESD (Environmental Systems Design Inc.), Chicago, Ill. |
E
|
|
303/283
|
Boswell Engineering Inc., South Hackensack, N.J.† |
E
|
|
304/**
|
tvsdesign, Atlanta, Ga. |
A
|
|
305/334
|
DRMP Inc., Orlando, Fla. |
E
|
|
306/377
|
The S/L/A/M Collaborative Inc., Glastonbury, Conn.† |
AE
|
|
307/295
|
D&B Engineers and Architects PC, Woodbury, N.Y. |
E
|
|
308/307
|
RMA Group Inc., Rancho Cucamonga, Calif. |
GE
|
|
309/317
|
TLC Engineering for Architecture Inc., Orlando, Fla. |
E
|
|
310/275
|
Ayres Associates, Eau Claire, Wis. |
EA
|
|
311/**
|
TPG Architecture, New York, N.Y.† |
A
|
|
312/278
|
Urban Engineers Inc., Philadelphia, Pa.† |
E
|
|
313/341
|
The RBA Group, Parsippany, N.J.† |
EA
|
|
314/373
|
Wenck Associates Inc., Maple Plain, Minn.† |
E
|
|
315/268
|
ATCS PLC, Herndon, Va.† |
E
|
|
316/288
|
Froehling & Robertson Inc., Richmond, Va. |
GE
|
|
317/305
|
BWBR, St. Paul, Minn. |
A
|
|
318/350
|
Horrocks Engineers, Pleasant Grove, Utah |
E
|
|
319/303
|
The Thrasher Group Inc., Bridgeport, W.Va. |
EA
|
|
320/244
|
Shafer, Kline & Warren Inc., Lenexa, Kan.† |
E
|
|
321/281
|
FXFOWLE Architects, New York, N.Y. |
A
|
|
322/322
|
HLW International LLP, New York, N.Y.† |
AE
|
|
323/339
|
On-Board Engineering Corp., East Windsor, N.J.† |
E
|
|
324/343
|
Larson Design Group, Williamsport, Pa. |
EA
|
|
325/**
|
Robert Derector Associates, New York, N.Y. |
E
|
|
326/**
|
Kapur & Associates Inc., Milwaukee, Wis. |
E
|
|
327/376
|
Tolunay-Wong Engineers Inc., Houston, Texas |
GE
|
|
328/323
|
LHB Inc., Duluth, Minn.† |
EA
|
|
329/299
|
PND Engineers Inc., Anchorage, Alaska |
E
|
|
330/355
|
Wood Rodgers Inc., Sacramento, Calif. |
E
|
|
331/**
|
GP Strategies, Columbia, Md.† |
EC
|
|
332/320
|
MSA Professional Services Inc., Baraboo, Wis. |
EA
|
|
333/352
|
WENDEL LLC, Williamsville, N.Y.† |
AE
|
|
334/384
|
Alpha Testing Inc., Dallas, Texas |
GE
|
|
335/349
|
Commonwealth Associates Inc., Jackson, Mich. |
E
|
|
336/259
|
ECC, Burlingame, Calif.† |
EC
|
|
337/432
|
JBA Consulting Engineers, Las Vegas, Nev.† |
E
|
|
338/**
|
Wantman Group, West Palm Beach, Fla.† |
E
|
|
339/336
|
C&I Engineering, Louisville, Ky. |
E
|
|
340/407
|
OHM Advisors, Livonia, Mich.† |
EA
|
|
341/282
|
Shepley Bulfinch Richardson & Abbott, Boston, Mass. |
A
|
|
342/**
|
FRCH Design Worldwide, Cincinnati, Ohio |
A
|
|
343/353
|
SME, Plymouth, Mich. |
E
|
|
344/335
|
Erdman Anthony, Rochester, N.Y. |
E
|
|
345/328
|
Guernsey, Oklahoma City, Okla. |
EAC
|
|
346/**
|
SLCE Architects LLP, New York, N.Y. |
A
|
|
347/324
|
Morrison-Maierle Inc., Helena, Mont.† |
E
|
|
348/329
|
RMF Engineering Inc., Baltimore, Md. |
E
|
|
349/337
|
Buchart Horn Inc./BASCO Associates, York, Pa.† |
EA
|
|
350/340
|
Clark Patterson Lee, Rochester, N.Y. |
EA
|
|
351/314
|
RDK Engineers, Andover, Mass. |
E
|
|
352/456
|
Dawood Engineering Inc., Enola, Pa.† |
E
|
|
353/326
|
Harris Group Inc., Seattle, Wash. |
E
|
|
354/465
|
FKP Architects Inc., Houston, Texas |
A
|
|
355/369
|
Wright-Pierce, Topsham, Maine |
E
|
|
356/409
|
Westlake Reed Leskosky, Cleveland, Ohio |
AE
|
|
357/346
|
O’Neal Inc., Greenville, S.C. |
EC
|
|
358/345
|
CTL Engineering Inc., Columbus, Ohio† |
E
|
|
359/387
|
GBA, Lenexa, Kan.† |
EA
|
|
360/421
|
Huckabee, Fort Worth, Texas |
AE
|
|
361/356
|
Otak Inc., Portland, Ore.† |
EA
|
|
362/391
|
GRW, Lexington, Ky.† |
EA
|
|
363/358
|
Kisinger Campo & Associates Corp., Tampa, Fla.† |
E
|
|
364/348
|
RIZZO Associates Inc., Pittsburgh, Pa.† |
E
|
|
365/424
|
Landrum & Brown Inc., Cincinnati, Ohio |
AP
|
|
366/338
|
Alfa Tech Consulting Enterprises Inc., San Jose, Calif. |
E
|
|
367/344
|
GRAEF, Milwaukee, Wis. |
EA
|
|
368/**
|
Harold O’Shea Builders Inc., Springfield, Ill. |
EC
|
|
369/313
|
Professional Engineering Consultants PA, Wichita, Kan. |
E
|
|
370/433
|
P+R Architects, Long Beach, Calif.† |
A
|
|
371/366
|
Barton & Loguidice DPC, Syracuse, N.Y. |
E
|
|
372/367
|
CPH Inc., Sanford, Fla. |
EA
|
|
373/401
|
Mueser Rutledge Consulting Engineers, New York, N.Y. |
E
|
|
374/383
|
The Mannik & Smith Group Inc., Maumee, Ohio |
E
|
|
375/308
|
Moody Nolan Inc., Columbus, Ohio |
A
|
|
376/382
|
Baxter & Woodman Inc., Crystal Lake, Ill.† |
E
|
|
377/425
|
Good Fulton & Farrell, Dallas, Texas† |
A
|
|
378/**
|
AZTEC Engineering Group Inc., Phoenix, Ariz. |
E
|
|
379/395
|
Geocon, San Diego, Calif.† |
GE
|
|
380/488
|
Goettsch Partners Inc., Chicago, Ill. |
A
|
|
381/463
|
Kendall/Heaton Associates Inc., Houston, Texas† |
A
|
|
382/319
|
Crafton Tull, Rogers, Ark. |
EA
|
|
383/430
|
Burns Engineering Inc., Philadelphia, Pa. |
E
|
|
384/368
|
Sebesta Inc., St. Paul, Minn. |
E
|
|
385/390
|
V3 Cos. Ltd., Woodridge, Ill.† |
E/ENV
|
|
386/**
|
JLG Architects, Grand Forks, N.D. |
A
|
|
387/330
|
Highland Associates Ltd., Clarks Summit, Pa.† |
AE
|
|
388/385
|
Ross & Baruzzini Inc., St. Louis, Mo. |
EA
|
|
389/370
|
Ziegler Cooper Architects, Houston, Texas† |
A
|
|
390/392
|
River Consulting, Columbus, Ohio |
E
|
|
391/372
|
Niles Bolton Associates Inc., Atlanta, Ga. |
A
|
|
392/404
|
Martin/Martin Inc., Lakewood, Colo.† |
E
|
|
393/333
|
McLaren Engineering Group, West Nyack, N.Y.† |
E
|
|
394/416
|
SAI Consulting Engineers Inc., Pittsburgh, Pa. |
E
|
|
395/460
|
Architects Hawaii Ltd., Honolulu, Hawaii |
A
|
|
396/440
|
SMMA | Symmes Maini & McKee Associates, Cambridge, Mass. |
AE
|
|
397/452
|
ESP Associates PA, Charlotte, N.C. |
EP
|
|
398/420
|
RDG Planning & Design, Des Moines, Iowa† |
A
|
|
399/396
|
Davis & Floyd Inc., Greenwood, S.C. |
EA
|
|
400/402
|
RJN Group Inc., Wheaton, Ill. |
E
|