The 2015 Top 500 Design Firms 401-500
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 |
|---|---|---|
|
401/429
|
DCI Engineers, Seattle, Wash. |
EA
|
|
402/363
|
CO Architects, Los Angeles, Calif. |
A
|
|
403/386
|
Testengeer Inc., Port Lavaca, Texas |
EC
|
|
404/380
|
BHDP Architecture, Cincinnati, Ohio |
A
|
|
405/397
|
Chester Engineers, Moon Township, Pa. |
L
|
|
406/375
|
Shalom Baranes Associates PC, Washington, D.C. |
A
|
|
407/470
|
Whitney, Bailey, Cox & Magnani LLC, Baltimore, Md.† |
EA
|
|
408/400
|
Hull & Associates Inc., Dublin, Ohio |
ENV
|
|
409/454
|
Pei Cobb Freed & Partners Architects LLP, New York, N.Y. |
A
|
|
410/405
|
Leighton Group Inc., Irvine, Calif.† |
GE
|
|
411/**
|
EBA Engineering Inc., Baltimore, Md.† |
E
|
|
412/446
|
Manhard Consulting Ltd., Vernon Hills, Ill. |
E
|
|
413/418
|
Bohannan Huston Inc., Albuquerque, N.M. |
E
|
|
414/394
|
Lochmueller Group Inc., Evansville, Ind. |
E
|
|
415/**
|
Hart Howerton, San Francisco, Calif.† |
A
|
|
416/411
|
Mazzetti, San Francisco, Calif. |
E
|
|
417/**
|
Hillis-Carnes Engineering Associates Inc., Annapolis Junction, Md. |
E
|
|
418/327
|
PCI Skanska, Evansville, Ind. |
EA
|
|
419/364
|
Jones Edmunds, Gainesville, Fla.† |
E
|
|
420/417
|
I.C. Thomasson Associates Inc., Nashville, Tenn. |
E
|
|
421/**
|
NAC|Architecture, Los Angeles, Calif. |
A
|
|
422/271
|
Hankins and Anderson Inc., Glen Allen, Va. |
EA
|
|
423/**
|
Ankrom Moisan Architects Inc., Portland, Ore. |
A
|
|
424/475
|
Primera Engineers Ltd., Chicago, Ill. |
E
|
|
425/389
|
RMC Water and Environment, Walnut Creek, Calif. |
E
|
|
426/474
|
Klotz Associates Inc., Houston, Texas |
E
|
|
427/426
|
Array Architects Inc., Conshohocken, Pa. |
A
|
|
428/467
|
England - Thims & Miller Inc., Jacksonville, Fla.† |
E
|
|
429/412
|
Sega Inc., Overland Park, Kan. |
EC
|
|
430/**
|
BOKA Powell, Dallas, Texas |
A
|
|
431/408
|
Davis Partnership Architects, Denver, Colo. |
A
|
|
432/459
|
Dekker/Perich/Sabatini Ltd., Albuquerque, N.M. |
AE
|
|
433/415
|
Lord Aeck Sargent, Atlanta, Ga. |
A
|
|
434/**
|
AI Engineers Inc., Middletown, Conn. |
E
|
|
435/406
|
Herbert, Rowland & Grubic Inc., Harrisburg, Pa. |
E
|
|
436/388
|
KSA Engineers Inc., Longview, Texas† |
EA
|
|
437/442
|
MG Engineering DPC, New York, N.Y. |
E
|
|
438/473
|
Francis Cauffman, New York, N.Y.† |
A
|
|
439/**
|
Cambridge Seven Associates Inc., Cambridge, Mass.† |
A
|
|
440/431
|
Eppstein Uhen Architects Inc. (eua), Milwaukee, Wis. |
A
|
|
441/410
|
Grimm + Parker Architects, Calverton, Md. |
A
|
|
442/476
|
Wilson Architects Inc., Boston, Mass. |
A
|
|
443/**
|
Salas O’Brien, San Jose, Calif.† |
EA
|
|
444/419
|
The Gateway Engineers Inc., Pittsburgh, Pa.† |
E
|
|
445/371
|
Davis Brody Bond, New York, N.Y. |
A
|
|
446/438
|
Binkley & Barfield Inc., Houston, Texas† |
E
|
|
447/461
|
JCJ Architecture, Hartford, Conn. |
A
|
|
448/**
|
Mithun, Seattle, Wash. |
A
|
|
449/448
|
OPN Architects, Cedar Rapids, Iowa |
A
|
|
450/441
|
OZ Architecture, Denver, Colo. |
A
|
|
451/**
|
NOVA Engineering and Environmental LLC, Kennesaw, Ga. |
E
|
|
452/**
|
Draper Aden Associates Inc., Blacksburg, Va. |
E
|
|
453/443
|
Heapy Engineering, Dayton, Ohio† |
E
|
|
454/457
|
Hixson Architecture, Engineering, Interiors, Cincinnati, Ohio |
EA
|
|
455/**
|
MacKay & Somps Civil Engineers Inc., Pleasanton, Calif. |
E
|
|
456/462
|
LMN Architects, Seattle, Wash. |
A
|
|
457/453
|
H.F. Lenz Co., Johnstown, Pa. |
E
|
|
458/480
|
McMillan Pazdan Smith LLC, Greenville, S.C. |
A
|
|
459/458
|
Lawrence Group, St. Louis, Mo.† |
A
|
|
460/468
|
McMahon, Neenah, Wis. |
EA
|
|
461/496
|
Wight & Co., Darien, Ill. |
AE
|
|
462/414
|
Superior Engineering LLC, Hammond, Ind. |
E
|
|
463/471
|
Smallwood Reynolds Stewart Stewart & Assocs. Inc., Atlanta, Ga.† |
A
|
|
464/472
|
Bridgefarmer & Associates Inc., Dallas, Texas |
E
|
|
465/450
|
BETA Group Inc., Lincoln, R.I. |
E
|
|
466/498
|
Newcomb & Boyd, Atlanta, Ga. |
E
|
|
467/485
|
Borton-Lawson, Wilkes-Barre, Pa.† |
EA
|
|
468/**
|
Excel Engineering Inc., Fond du Lac, Wis. |
AE
|
|
469/491
|
Hubbell, Roth & Clark Inc., Bloomfield Hills, Mich. |
EA
|
|
470/455
|
Albert Kahn Family of Cos. (Kahn), Detroit, Mich.† |
AE
|
|
471/354
|
WDG Architecture, Washington, D.C.† |
A
|
|
472/435
|
Valdes Engineering Co., Lombard, Ill. |
E
|
|
473/**
|
CDR/Maguire, Doral, Fla. |
EA
|
|
474/**
|
Integrus Architecture, Spokane, Wash. |
AE
|
|
475/379
|
MBH Architects, Alameda, Calif. |
A
|
|
476/466
|
Robins & Morton, Birmingham, Ala. |
EC
|
|
477/331
|
Epstein, Chicago, Ill.† |
AE
|
|
478/428
|
R&M Consultants Inc., Anchorage, Alaska |
E
|
|
479/**
|
Wallace Montgomery, Hunt Valley, Md. |
E
|
|
480/**
|
Rule Joy Trammell + Rubio LLC, Atlanta, Ga. |
A
|
|
481/**
|
The Miller Hull Partnership, Seattle, Wash. |
A
|
|
482/**
|
Sunrise Engineering Inc., Salt Lake City, Utah |
E
|
|
483/**
|
CTL/Thompson Inc., Denver, Colo.† |
E
|
|
484/487
|
Sheladia Associates Inc., Rockville, Md. |
EA
|
|
485/439
|
FGM Architects Inc., Oak Brook, Ill. |
A
|
|
486/**
|
Kahler Slater, Milwaukee, Wis.† |
A
|
|
487/479
|
Dokken Engineering, Folsom, Calif. |
E
|
|
488/**
|
I+S Group Inc, Mankato, Minn. |
EA
|
|
489/477
|
Earth Systems Inc., San Luis Obispo, Calif.† |
GE
|
|
490/497
|
Krazan & Associates Inc., Clovis, Calif. |
E
|
|
491/499
|
Beam, Longest and Neff LLC, Indianapolis, Ind. |
E
|
|
492/399
|
G.E.C. Inc., Baton Rouge, La. |
E
|
|
493/**
|
Joseph R. Loring & Associates Inc., New York, N.Y. |
E
|
|
494/**
|
Alan Plummer Associates Inc., Dallas, Texas |
E
|
|
495/**
|
The Preston Partnership, Atlanta, Ga. |
A
|
|
496/**
|
Hart Crowser Inc., Seattle, Wash. |
E
|
|
497/**
|
Lanier & Associates Consulting Engineers Inc., New Orleans, La. |
E
|
|
498/434
|
Hussey Gay Bell, Savannah, Ga. |
EA
|
|
499/**
|
CESO Inc., Dayton, Ohio |
E
|
|
500/**
|
Dattner Architects, New York, N.Y. |
A
|