The 2015 Top 500 Design Firms 101-200
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 |
|---|---|---|
|
101/104
|
Hammel Green and Abrahamson Inc. (HGA), Minneapolis, Minn. |
AE
|
|
102/107
|
KPFF Consulting Engineers, Seattle, Wash. |
E
|
|
103/121
|
Ambitech Engineering Corp., Downers Grove, Ill. |
EC
|
|
104/102
|
Kadrmas Lee & Jackson Inc. (KLJ), Bismarck, N.D. |
E
|
|
105/108
|
Populous, Kansas City, Mo.† |
A
|
|
106/128
|
Page, Washington, D.C. |
AE
|
|
107/122
|
GEI Consultants Inc., Woburn, Mass.† |
E
|
|
108/105
|
David Evans and Associates Inc., Portland, Ore. |
EA
|
|
109/126
|
Haley & Aldrich Inc., Burlington, Mass.† |
E
|
|
110/117
|
GAI Consultants Inc., Homestead, Pa. |
E
|
|
111/136
|
Braun Intertec Corp., Minneapolis, Minn. |
GE
|
|
112/114
|
Wiss, Janney, Elstner Associates Inc., Northbrook, Ill. |
EA
|
|
113/145
|
EN Engineering LLC, Warrenville, Ill. |
E
|
|
114/118
|
Whitman, Requardt & Associates LLP, Baltimore, Md. |
EA
|
|
115/139
|
Olsson Associates, Lincoln, Neb. |
E
|
|
116/133
|
Apex Cos. LLC, Rockville, Md.† |
ENV
|
|
117/119
|
Civil & Environmental Consultants Inc., Pittsburgh, PA. † |
E
|
|
118/**
|
NORR, Chicago, Ill.† |
AE
|
|
119/89
|
TransCore, Nashville, Tenn. |
EC
|
|
120/132
|
Corgan, Dallas, Texas |
A
|
|
121/124
|
Simpson Gumpertz & Heger Inc., Waltham, Mass. |
E
|
|
122/141
|
Vanderweil Engineers, Boston, Mass. |
E
|
|
123/131
|
CRB, St. Louis, Mo. |
EA
|
|
124/231
|
NV5 Holdings Inc., Hollywood, Fla.† |
E
|
|
125/78
|
M+W U.S. Inc., Watervliet, N.Y. |
EC
|
|
126/116
|
GZA GeoEnvironmental Inc., Norwood, Mass.† |
EC
|
|
127/130
|
Alfred Benesch & Co., Chicago, Ill. |
E
|
|
128/120
|
DLZ, Columbus, Ohio† |
EA
|
|
129/125
|
Middough Inc., Cleveland, Ohio |
EA
|
|
130/123
|
Affiliated Engineers Inc., Madison, Wis.† |
E
|
|
131/143
|
Short Elliott Hendrickson Inc. (SEH), St. Paul, Minn.† |
EA
|
|
132/135
|
HAKS, New York, N.Y. |
EA
|
|
133/134
|
Syska Hennessy Group, New York, N.Y.† |
E
|
|
134/142
|
RCM Technologies Inc., Pennsauken, N.J.† |
EA
|
|
135/112
|
Woolpert Inc., Dayton, Ohio† |
AEP
|
|
136/140
|
H.W. Lochner Inc., Chicago, Ill. |
E
|
|
137/137
|
EA Engineering Science and Tech. Inc., PBC, Hunt Valley, Md. |
ENV
|
|
138/113
|
Merrick & Co., Greenwood Village, Colo. |
EA
|
|
139/129
|
Freese and Nichols Inc., Fort Worth, Texas |
EA
|
|
140/175
|
Psomas, Los Angeles, Calif. |
E
|
|
141/149
|
Huitt-Zollars Inc., Dallas, Texas |
EA
|
|
142/158
|
GPD Group, Akron, Ohio |
EA
|
|
143/**
|
IBI Group Inc., Westerville, Ohio† |
AE
|
|
144/164
|
Anvil Corp., Bellingham, Wash.† |
E
|
|
145/187
|
LJA Engineering Inc., Houston, Texas† |
E
|
|
146/253
|
IPS - Integrated Project Services Inc., Blue Bell, Pa.† |
EA
|
|
147/148
|
Mead & Hunt Inc., Middleton, Wis.† |
EA
|
|
148/144
|
Clark Nexsen, Virginia Beach, Va. |
AE
|
|
149/166
|
Halff Associates Inc., Richardson, Texas† |
EA
|
|
150/146
|
C&S Companies, Syracuse, N.Y. |
EA
|
|
151/138
|
Day & Zimmermann, Philadelphia, Pa.† |
EC
|
|
152/151
|
McCormick Taylor Inc., Philadelphia, Pa. |
E
|
|
153/342
|
Adrian Smith + Gordon Gill Architecture, Chicago, Ill. |
A
|
|
154/161
|
Brown & Gay Engineers Inc., Houston, Texas |
E
|
|
155/160
|
SWCA Environmental Consultants, Phoenix, Ariz. |
ENV
|
|
156/147
|
Bowman Consulting, Chantilly, Va. |
E
|
|
157/155
|
Kennedy/Jenks Consultants, San Francisco, Calif. |
EA
|
|
158/174
|
Henderson Engineers Inc., Lenexa, Kan.† |
E
|
|
159/157
|
Burgess & Niple Inc., Columbus, Ohio |
EA
|
|
160/183
|
Pape-Dawson Engineers Inc., San Antonio, Texas |
E
|
|
161/193
|
Maser Consulting PA, Red Bank, N.J |
E
|
|
162/156
|
Tectonic Engineering & Surveying Consultants, Mountainville, N.Y.† |
E
|
|
163/150
|
Flad Architects, Madison, Wis.† |
AE
|
|
164/153
|
Greeley and Hansen LLC, Chicago, Ill.† |
E
|
|
165/188
|
Walter P Moore, Houston, Texas |
E
|
|
166/213
|
Farnsworth Group Inc., Peoria, Ill. |
EA
|
|
167/172
|
Waldemar S. Nelson and Co. Inc., New Orleans, La. |
EA
|
|
168/248
|
Atwell, Southfield, Mich.† |
EC
|
|
169/176
|
Bartlett & West Inc., Topeka, Kan. |
E
|
|
170/201
|
VOA Associates Inc., Chicago, Ill.† |
A
|
|
171/191
|
The Burke Group, Rosemont, Ill.† |
E
|
|
172/169
|
WATG | Wimberly Interiors, Honolulu, Hawaii† |
A
|
|
173/**
|
Burrow Global LLC, HOUSTON, Texas† |
EA
|
|
174/127
|
Ausenco, Concord, Calif. |
E
|
|
175/184
|
American Structurepoint Inc., Indianapolis, Ind. |
EA
|
|
176/185
|
Mesa Associates Inc., Knoxville, Tenn. |
EA
|
|
177/163
|
Hanson Professional Services Inc., Springfield, Ill.† |
EA
|
|
178/198
|
Weston & Sampson, Peabody, Mass.† |
E
|
|
179/170
|
Smith Seckman Reid Inc., Nashville, Tenn. |
E
|
|
180/179
|
Wilson & Co. Inc., Engineers & Architects, Albuquerque, N.M. |
EA
|
|
181/173
|
AKF Group LLC, New York, N.Y.† |
E
|
|
182/273
|
Nelson Worldwide Inc., Philadelphia, Pa.† |
AE
|
|
183/171
|
Barge Waggoner Sumner & Cannon Inc., Nashville, Tenn.† |
EA
|
|
184/180
|
Strand Associates Inc., Madison, Wis. |
E
|
|
185/182
|
DOWL, Anchorage, Alaska |
E
|
|
186/83
|
ENGlobal U.S. Inc., Houston, Texas |
EC
|
|
187/199
|
Neel-Schaffer Inc., Jackson, Miss.† |
E
|
|
188/221
|
Jones and Carter Inc., Houston, Texas |
E
|
|
189/217
|
A. Morton Thomas and Associates Inc., Rockville, Md. |
E
|
|
190/190
|
Robert A.M. Stern Architects LLP (RAMSA), New York, N.Y.† |
A
|
|
191/162
|
HMC Architects, Los Angeles, Calif. |
A
|
|
192/181
|
Garver, North Little Rock, Ark. |
E
|
|
193/195
|
Shannon & Wilson Inc., Seattle, Wash. |
GE
|
|
194/203
|
Parkhill, Smith & Cooper Inc., Lubbock, Texas† |
EA
|
|
195/197
|
GeoEngineers Inc., Seattle, Wash. |
GE/E
|
|
196/**
|
KTGY Group Inc., Irvine, Calif.† |
A
|
|
197/209
|
T&M Associates, Middletown, N.J.† |
E
|
|
198/205
|
EMH&T, Columbus, Ohio |
E
|
|
199/196
|
Bergmann Associates Inc., Rochester, N.Y. |
AEP
|
|
200/224
|
Wade Trim, Detroit, Mich.† |
E
|