The 2015 Top 200 Environmental Firms 101-200

Uncertainties in global markets and the unknowns of company participation combined to affect this year’s ENR Top 200 Environmental Firms survey results, with the list’s total revenue down by 4.3% to $51.4 billion, based on 2014 figures. The outcome reverses last year’s increase and continues an up-and-down trend in effect since 2008. Prior catalysts of surging oil markets and overseas growth both went into reverse, generating a 3.9% decline in domestic revenue for listed environmental services firms and a 7.6% falloff beyond U.S. borders—with Europe alone off 32.5%. But it was not all gloom and doom for the Top 200, with growth for a number of participants and sectors, and anticipation of marketplace improvement in the next 12-18 months.

The Top 200 Environmental Firms
More detailed information on the Top 200 Environmental Firms:

View complete 2015 list, with full market analysis

Click below for earlier editions:
2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004

The table below shows only rankings and company name. ** indicates that the firm did not appear on the 2014 list. For complete data from the 2015 Top 200 Environmental Firms report and to see prior lists (if you are an ENR subscriber), see the links below.

If you believe your firm could be ranked among the Top 200 in 2016, please send an email to ENRT200@construction.com to have your contact name and email added to the Top 200 list to receive our survey in April. We will send a link to the online survey, which is separate from ENR's Top 100-400-500 survey.

001-100 | 101-200
RANK 2015/2014 FIRM TYPE OF FIRM
101/96
 Greeley and Hansen LLC, Chicago, Ill.
DES
102/99
 Geo-Solutions Inc., New Kensington, Pa.
CON
103/106
 Enercon Services Inc., Kennesaw, Ga.
CSL
104/105
 Roux Associates Inc., Islandia, N.Y.
CSL
105/122
 GSE Construction Co., Livermore, Calif.
CM-PM
106/77
 The Conti Group, Edison, N.J.
CON
107/91
 MEB General Contractors  Inc., Chesapeake, Va.
CON
108/104
 The Cadmus Group Inc., Waltham, Mass.
CSL
109/131
 North Wind Group, Idaho Falls, Idaho
CON
110/180
 DeNovo Constructors Inc., Chicago, Ill.
CON
111/86
 Gannett Fleming Inc., Harrisburg, Pa.
DES
112/79
 ECC, Burlingame, Calif.
CON
113/107
 Bureau Veritas, Fort Lauderdale, Fla.
CSL
114/129
 Haskell, Jacksonville, Fla.
CON
115/114
 Trihydro Corp., Laramie, Wyo.
DES/CSL/CON/CM-PM
116/117
 Weston & Sampson Engineers Inc., Peabody, Mass.
DES
117/120
 Judy Construction Co., Cynthiana, Ky.
CON
118/103
 ET Environmental Corp. LLC, Atlanta, Ga.
CM-PM
119/127
 Dudek, Encinitas, Calif.
CSL
120/119
 Environmental Science Associates, San Francisco, Calif.
CSL
121/128
 Barr Engineering Co., Edina, Minn.
CSL
122/123
 Versar Inc., Springfield, Va.
CSL
123/115
 Cape Environmental Management Inc., Norcross, Ga.
CON
124/97
 Perma-fix Environmental Services, Atlanta, Ga.
OPS
125/124
 GAI Consultants Inc., Pittsburgh, Pa.
CSL
126/116
 Portage Inc., Idaho Falls, Idaho
CON
127/136
 GEI Consultants Inc., Woburn, Mass.
CSL
128/113
 T. A. Loving Co., Goldsboro, N.C.
CM-PM
129/141
 ESG Operations Inc., Macon, Ga.
OPS
130/**
 Navarro Research and Engineering, Inc., Oak Ridge, Tenn.
CON
131/133
 EnSafe Inc., Memphis, Tenn.
CSL
132/121
 Traylor Bros. Inc., Evansville, Ind.
CON
133/125
 HEPACO LLC, Charlotte, N.C.
OTH
134/137
 AKRF Inc., New York, N.Y.
CSL
135/147
 Slayden Construction Group Inc., Stayton, Ore.
CON
136/140
 Dewberry, Fairfax, Va.
DES
137/134
 DLZ, Columbus, Ohio
DES
138/135
 Posillico Environmental Inc., Farmingdale, N.Y.
CON
139/130
 KCI Technologies Inc., Sparks, Md.
DES
140/150
 Effective Environmental Inc., Lancaster, Texas
OPS
141/139
 Professional Service Industries Inc. (PSI), Oakbrook Terrace, Ill.
CSL
142/138
 Charter Contracting Co., Boston, Mass.
CON
143/148
 Wade Trim Group, Detroit, Mich.
DES
144/170
 Partner Engineering & Science, Inc., Torrance, Calif.
CSL
145/145
 Irex Contracting Group, Lancaster, Pa.
CON
146/151
 Oneida Total Integrated Enteprises LLC (OTIE), Milwaukee, Wisc.
CSL
147/160
 COMANCO Environmental Corp., Plant City, Fla.
CON
148/158
 Whitman, Requardt and Associates LLP, Baltimore, Md.
DES
149/155
 Precision Environmental Co., Independence, Ohio
CON
150/182
 Wenck Associates  Inc., Maple Plain, Minn.
CSL
151/176
 T&M Associates, Middletown, N.J.
CSL
152/156
 Bay West LLC, St. Paul, Minn.
CON
153/**
 M.B. Kahn Construction Co. Inc., Columbia, S.C.
CON
154/149
 Turner Specialty Services LLC, Baton Rouge, La.
OPS
155/**
 D&B Engineers and Architects PC, Woodbury, N.Y.
DES
156/144
 S&ME Inc., Raleigh, N.C.
CSL
157/177
 Leggette, Brashears & Graham Inc., Shelton, Conn.
CON/CSL
158/194
 Environmental Compliance Services Inc., Agawam, Mass.
CON
159/132
 Enging/Remediation Resources Group (ERRG), Martinez, Calif.
CON
160/161
 Tighe & Bond Inc., Westfield, Mass.
DES/CSL
161/**
 Foth Cos., De Pere, Wisc.
CSL
162/163
 Parametrix Inc., Puyallup, Wash.
DES
163/162
 Burgess & Niple Inc., Columbus, Ohio
CSL
164/159
 Building Crafts Inc., Wilder, Ky.
CON
165/173
 Wright-Pierce, Topsham, Maine
DES/CON
166/179
 EORM, San Jose, Calif.
CSL
167/172
 EnviroTrac Ltd., Yaphank, N.Y.
DES/CSL
168/102
 Creamer Environmental Inc., Cedar Grove, N.J.
CON
169/171
 Strand Associates Inc., Madison, Wisc.
DES
170/165
 J. F. Ahern Co., Fond du Lac, Wisc.
CON
171/**
 American Contracting and Environ. Services Inc., Columbia, Md.
CON
172/183
 Gresham, Smith and Partners, Nashville, Tenn.
DES
173/178
 VHB, Watertown, Mass.
CSL
174/168
 RMC Water and Environment, Walnut Creek, Calif.
CSL
175/184
 RJN Group Inc., Wheaton, Ill.
DES
176/181
 Locus Technologies, Mountian View, Calif.
R&D
177/193
 Pennoni Associates, Philadelphia, Pa.
CSL
178/189
 Stanley Consultants, Muscatine, Iowa
DES
179/187
 Chester Engineers Inc., Moon Township, Pa.
DES
180/**
 The Vertex Cos., Weymouth, Mass.
CSL
181/174
 POWER Engineers, Hailey, Idaho
DES
182/196
 ECS Ltd., Chantilly, Va.
CSL
183/198
 Schnabel Engineering Inc., Glen Allen, Va.
DES
184/166
 H2M architects + engineers*, Melville, N.Y.
DES
185/164
 Environmental Consulting & Technology Inc., Gainesville, Fla.
CSL
186/**
 LAND Remediation Inc., Averill Park, N.Y.
CON
187/186
 Glacier Construction Co. Inc., Greenwood Village, Colo.
CON
188/167
 Eagle Contracting L.P., Fort Worth, Texas
CON
189/146
 Sukut Construction Inc., Santa Ana, Calif.
CON
190/154
 HNTB, Kansas City, Mo.
DES
191/**
 McKim & Creed Inc., Raleigh, N.C.
DES
192/192
 AEI Consultants, Walnut Creek, Calif.
CSL
193/200
 STV Group Inc., New York, N.Y.
CSL
194/199
 EarthCon Consultants, Inc., Marietta, Ga.
CSL
195/**
 Sletten Construction, Great Falls, Mont.
CON
196/**
 Alan Plummer Associates Inc., Fort Worth, Texas
DES
197/190
 Johnston Construction Co., Dover, Pa.
CM-PM
198/**
 Skelly and Loy Inc., Harrisburg, Pa.
CSL
199/**
 Short Elliott Hendrickson Inc. (SEH), St. Paul, Minn.
DES
200/195
 Fuss and O'Neill Inc., Manchester, Conn.
CSL

001-100 | 101-200

Type of Firm: Based on the largest % of evironmental revenue in these categories. Multiple listing if the largest % is evenly split between two or more categories or within 5% of each other.

DES Engineering and/or design; CSL Consulting and/or studies; CON Construction, contracting and/or remediation; CM-PM Construction management and/or program management; EQP Equipment or device manufacture; OPS Contract operations; R&D Technology and/or research and development, OTH Services not already designated. 

ENR Top Lists or selections from the directory databases are available on pressure-sensitive labels or computer printouts. Included are the principal officer's name and title, company name and address, and phone and fax numbers. Click here for information on purchasing mailing lists.