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Home » The 2015 Top 500 Design Firms 101-200

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.

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


2015 Top 500 Design Firms
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.



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


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