ENR 2018 Top 200 Environmental Firms 101-200
August 2018
Despite solid results and strategic changes last year that pushed a number of Top 200 Environmental Firms higher on the 2018 list, some uncertain signals on the U.S. and global political fronts injected caution into the environmental marketplace, with total list revenue falling 2% to $53.37 billion from the previous year’s tally. But nearly three-quarters of this year’s listed firms see better signs for 2018 and ahead, with markets strengthening and projects on the move.
More detailed information on ENR's Top 200 Environmental Firms:
View complete 2018 list, with full market analysis
Current Top 200 Environmental Firms Story:
Top 200 Environmental Firms Reach Out to Tap Markets
Click below for earlier editions:
2017 | 2016 | 2015 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004
Two asterisks (**) indicate a firm not ranked on the 2017 Top 200 list.
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 2018 Top 200 Environmental Firms
| RANK 2018 | RANK 2017 | FIRM | TYPE OF WORK |
|---|---|---|---|
| 101 | 96 | GZA, Norwood, Mass. | CSL |
| 102 | 105 | GREELEY AND HANSEN, Chicago, Ill. | DES |
| 103 | 102 | ENVIRONMENTAL SCIENCE ASSOCIATES, San Francisco, Calif. | CSL |
| 104 | 76 | HASKELL, Jacksonville, Fla. | CON |
| 105 | 87 | KENNEDY/JENKS CONSULTANTS INC., San Francisco, Calif. | DES |
| 106 | 108 | JUDY CONSTRUCTION CO., Cynthiana, Ky. | CON |
| 107 | 104 | EBI CONSULTING, Burlington, Mass. | CSL |
| 108 | 116 | HEPACO LLC, Charlotte, N.C. | CON |
| 109 | 111 | WESTON & SAMPSON ENGINEERS INC., Peabody, Mass. | DES |
| 110 | 112 | AKRF INC., New York, N.Y. | CSL |
| 111 | 114 | PARTNER ENGINEERING AND SCIENCE INC., Torrance, Calif | CSL |
| 112 | 107 | CADMUS GROUP, Waltham, Mass. | CSL |
| 113 | 119 | TRIHYDRO CORP., Laramie, Wyo. | CSL |
| 114 | 92 | HATCH LTD., Mississauga, Ontario, Canada | DES |
| 115 | 136 | DEWBERRY, Fairfax, Va. | DES |
| 116 | 120 | ESG OPERATIONS INC., Macon, Ga. | OPS |
| 117 | ** | NV5, San Diego, Calif. | CSL |
| 118 | 113 | GANNETT FLEMING, Camp Hill, Pa. | DES |
| 118 | 192 | SLETTEN COS., Great Falls, Mont. | CON |
| 120 | 101 | USA ENVIRONMENT LP, Spring, Texas | CON |
| 121 | 117 | BARR ENGINEERING CO., Minneapolis, Minn. | CSL |
| 122 | ** | RPS, Houston, Texas | CSL |
| 123 | 131 | ENVIRONMENTAL QUALITY MANAGEMENT INC., Cincinnati, Ohio | CON |
| 124 | ** | ONEIDA ESC GROUP, Milwaukee, Wis. | CON |
| 125 | 115 | ENSAFE INC., Knoxville, Tenn. | CSL |
| 126 | 127 | ET ENVIRONMENTAL CORP. LLC, Atlanta, Ga. | CM-PM |
| 127 | 122 | GEI CONSULTANTS Woburn, Mass. | CON |
| 128 | 156 | J.F. BRENNAN CO. INC., La Crosse, Wis. | CON |
| 129 | 167 | BUILDING CRAFTS INC., Wilder, Ky. | CON |
| 130 | 126 | BRASFIELD & GORRIE LLC, Birmingham, Ala. | CON |
| 131 | 140 | CAPE ENVIRONMENTAL MANAGEMENT INC., Norcross, Ga. | CON |
| 132 | 133 | D&B ENGINEERS AND ARCHITECTS PC, Woodbury, N.Y. | DES |
| 133 | 128 | KCI TECHNOLOGIES INC., Sparks, Md. | DES |
| 134* | ** | GEO-LOGIC ASSOCIATES INC., Ontario, Calif. | DES |
| 134 | 162 | INNOVATIVE CONSTRUCTION SOLUTIONS, Costa Mesa, Calif. | CON |
| 135 | 137 | GROUND/WATER TREATMENT & TECHNOLOGY LLC, Wharton, N.J. | OPS |
| 136 | 123 | LOS ALAMOS TECHNICAL ASSOCIATES INC., Albuquerque, N.M. | CON |
| 137 | 130 | COMANCO ENVIRONMENTAL CORP., Plant City, Fla. | CON |
| 138 | 132 | PERMA-FIX ENVIRONMENTAL SERVICES INC., Oak Ridge, Tenn. | OPS |
| 139 | 100 | DUDEK, Encinitas, Calif. | CSL |
| 140 | 155 | JOHNSON, MIRMIRAN & THOMPSON INC., Hunt Valley, Md. | DES |
| 141 | 141 | GAI CONSULTANTS INC., Homestead, Pa. | CSL |
| 142 | 153 | STRAND ASSOCIATES INC., Madison, Wis. | DES |
| 143 | ** | HARPER GENERAL CONTRACTORS, Greenville, S.C. | CON |
| 144 | 139 | WADE TRIM, Detroit, Mich. | DES |
| 145 | 134 | EAGLE CONTRACTING LP, Fort Worth, Texas | CON |
| 146 | 148 | TURNER SPECIALTY SERVICES LLC, Baton Rouge, La. | OPS |
| 147 | 147 | WENCK ASSOCIATES INC., Golden Valley, Minn. | DES |
| 148 | 154 | TIGHE & BOND INC., Westfield, Mass. | DES/CSL |
| 149 | 152 | ARC ABATEMENT, Waco, Texas | CON |
| 150 | 150 | AMERICAN CONTRACTING & ENVIRON. SERVICES INC., Columbia, Md. | CON |
| 151 | 142 | T&M ASSOCIATES, Middletown, N.J. | CSL |
| 152 | 157 | VHB, Watertown, Mass. | CSL |
| 153 | 161 | FOTH COS., De Pere, Wis. | DES/CM-PM |
| 154 | 180 | GEO-SOLUTIONS INC., New Kensington, Pa. | CON |
| 155 | 160 | THE VERTEX COS., Weymouth, Mass. | CSL |
| 156 | 143 | ENERCON SERVICES INC., Tulsa, Okla. | CSL |
| 157 | 165 | J. F. AHERN CO., Fond Du Lac, Wis. | CON |
| 158 | 145 | PRECISION ENVIRONMENTAL CO., Independence, Ohio | CON |
| 159 | 149 | HNTB COS., Kansas City, Mo. | DES |
| 160 | 166 | BAY WEST LLC, St. Paul, Minn. | CON |
| 161 | 181 | INTERA INC., Austin, Texas | CSL |
| 162 | 144 | S&ME INC., Charlotte, N.C. | CSL |
| 163 | 168 | ENGINEERING CONSULTING SERVICES LTD., Chantilly Va. | CSL |
| 164 | 160 | WHITMAN, REQUARDT AND ASSOCIATES LLP, Baltimore, Md. | DES |
| 165 | 164 | ENVIROTRAC LTD., Yaphank, N.Y. | CSL |
| 166 | 170 | WRIGHT-PIERCE, Topsham, Maine | DES/CON |
| 167 | 163 | GRESHAM, SMITH AND PARTNERS, Nashville, Tenn. | DES |
| 168 | 172 | RJN GROUP INC., Wheaton, Ill. | DES |
| 169 | 173 | PARAMETRIX INC., Seattle, Wash. | DES |
| 170 | ** | 1 PRIORITY ENVIRONMENTAL SERVICES LLC, Fort Worth, Texas | CON |
| 171 | 159 | CABRERA SERVICES INC., East Hartford, Conn. | OPS |
| 172 | 174 | H2M ARCHITECTS + ENGINEERS, Melville, N.Y. | DES |
| 173 | 151 | PENNONI, Philadelphia, Pa. | CSL |
| 174 | 184 | MCKIM & CREED INC., Raleigh, N.C. | DES |
| 175 | 175 | POWER ENGINEERS INC., Hailey, Idaho | CSL |
| 176 | ** | EE CRUZ, New York, N.Y. | OPS |
| 177 | 179 | BURGESS & NIPLE INC., Columbus, Ohio | CSL |
| 178 | ** | J CUMBY CONSTRUCTION, Cookeville, Tenn. | CON |
| 179 | 195 | STV GROUP INC., Douglassville, Pa. | CSL |
| 180 | ** | CHA CONSULTING INC., Albany, N.Y. | DES |
| 181 | 182 | ENVIRONMENTAL CONSULTING & TECHNOLOGY INC., Gainesville, Fla. | CSL |
| 182 | ** | DLZ CORP., Columbus, Ohio | DES |
| 183 | 188 | AUGUST MACK ENVIRONMENTAL, Indianapolis, Ind. | CSL |
| 184 | 178 | NORMANDEAU ASSOCIATES INC., Bedford, N.H. | CSL |
| 185 | 200 | JONES EDMUNDS & ASSOCIATES INC., Gainesville, Fla. | DES/CSL |
| 186 | 187 | IREX CORP., Lancaster, Pa. | CON |
| 187 | ** | SOVEREIGN CONSULTING INC., Robbinsville, N.J. | CSL |
| 188 | 193 | PPM CONSULTANTS INC., Birmingham, Ala. | CSL |
| 189 | 194 | SCHNABEL ENGINEERING, Glen Allen, Va. | DES |
| 190 | ** | ARM GROUP INC., Hershey, Pa. | DES |
| 191 | 171 | POSILLICO INC., Farmingdale, N.Y. | CON |
| 192 | 199 | STANLEY CONSULTANTS, Muscatine, Iowa | DES |
| 193 | ** | DONOHUE & ASSOCIATES INC., Sheboygan, Wis. | DES |
| 194 | ** | PS & S, Warren, N.J. | DES |
| 195 | 189 | SHORT ELLIOTT HENDRICKSON INC., St. Paul, Minn. | DES |
| 196 | ** | SKELLY AND LOY INC., Harrisburg, Pa. | CSL |
| 197 | 191 | EARTHCON CONSULTANTS INC., Marietta, Ga. | CSL/CON |
| 198 | ** | EHS SUPPORT LLC, Pittsburgh, Pa. | CSL |
| 199 | 183 | JOHNSTON CONSTRUCTION CO., Dover, Pa. | CON |
| 200 | ** | PM ENVIRONMENTAL, Lansing, Mich. | CSL |
*GEO-LOGIC ASSOCIATES INC. WAS INADVERTENTLY LEFT OFF THE ORIGINAL 2018 TOP 200 ENVIRONMENTAL FIRMS LIST IN THE AUGUST 6/13 ISSUE AND WOULD HAVE RANKED AT NO. 134