The 2017 Top 200 Environmental Firms 1-100
August 2017
The Top 200 Environmental Firms held their own in 2016, even as the election of Donald Trump, an uncertain post-Brexit Europe and still-sluggish oil prices loomed over the environmental marketplace. Spurred by continuing cleanup mandates and some improved economic signals before Trump was officially installed as president, 2017 list participants, in their overall revenue last year, managed a 2% hike, to $54.47 billion—a total not seen in five years.
More detailed information on ENR's Top 200 Environmental Firms:
View complete 2017 list, with full market analysis
Current Top 200 Environmental Firms Story:
Top 200 Environmental Firms Weigh Market in Trump Era
Click below for earlier editions:
2016 | 2015 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004
Two asterisks (**) indicate firms that were not ranked on the 2016 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 2017 Top 200 Environmental Firms
| RANK 2017 | RANK 2016 | FIRM | TYPE OF WORK |
|---|---|---|---|
| 1 | 1 | AECOM, Los Angeles, Calif. | DES |
| 2 | 2 | CH2M, Englewood, Colo. | CSL |
| 3 | 5 | CLEAN HARBORS INC., Norwell, Mass. | OTH/OPS |
| 4 | 3 | BECHTEL, San Francisco, Calif. | CON |
| 5 | 6 | TETRA TECH INC., Pasadena, Calif. | CSL |
| 6 | 4 | VEOLIA NORTH AMERICA, Boston, Mass. | OPS/OTH |
| 7 | 7 | FLUOR CORP., Irving, Texas | CON |
| 8 | 10 | SUEZ NORTH AMERICA, Paramus, N.J. | OPS |
| 9 | 18 | STANTEC INC., Edmonton, Alberta, Canada1 | DES |
| 10 | 11 | AMEC FOSTER WHEELER, Alpharetta, Ga. | CON/CSL |
| 11 | 13 | HDR, Omaha, Neb. | DES/CSL |
| 12 | 8 | ARCADIS NV, Amsterdam, Holland | CSL |
| 13 | 15 | BATTELLE, Columbus, Ohio | R&D |
| 14 | 12 | CDM SMITH, Boston, Mass. | DES/CON |
| 15 | 14 | ERM, London, England, U.K. | CSL |
| 16 | 25 | GOLDER ASSOCIATES, Palm Beach Gardens, Fla. | DES |
| 17 | 16 | BLACK & VEATCH, Overland Park, Kan. | DES |
| 18 | 19 | CB&I, The Woodlands, Texas | CON |
| 19 | 40 | LEIDOS, Reston, Va. | CSL |
| 20 | 23 | PARSONS CORP., Pasadena, Calif. | DES |
| 21 | 20 | KIEWIT CORP., Omaha, Neb. | CON |
| 22 | 17 | THE WALSH GROUP LTD, Chicago, Ill. | CON |
| 23 | 22 | GARNEY HOLDING CO., Kansas City, Mo. | CON |
| 24 | 34 | MCCARTHY HOLDINGS INC., St. Louis, Mo. | CM/PM |
| 25 | 30 | WSP, Montreal, Quebec, Canada2 | CSL/CON |
| 26 | ** | MOTT MACDONALD GROUP, Iselin, N.J. | DES |
| 27 | 53 | GREAT LAKES DREDGE & DOCK CORP., Oak Brook, Ill. | CON |
| 28 | 28 | AEGION CORP., Chesterfield, Mo. | CON |
| 29 | 27 | TRADEBE ENVIRONMENTAL SERVICES, Barcelona, Spain | OPS |
| 30 | 29 | RAMBOLL ENVIRON, Copenhagen, Denmark | DES |
| 31 | 39 | BARNARD CONSTRUCTION CO. INC., Bozeman, Mont. | CON |
| 32 | 26 | GHD, Sydney, New South Wales, Australia | CSL/CON |
| 33 | 32 | ANTEA GROUP, Almere, Holland | CSL |
| 34 | 24 | LAYNE CHRISTENSEN CO., The Woodlands, Texas | CON |
| 35 | 31 | ICF, Fairfax, Va. | CSL |
| 36 | 33 | BROWN AND CALDWELL, Walnut Creek, Calif. | DES |
| 37 | 35 | WEEKS MARINE INC., Cranford, N.J. | CON |
| 38 | 43 | PC CONSTRUCTION, South Burlington, Vt. | CON |
| 39 | 46 | BOWEN, Indianapolis, Ind. | CON |
| 40 | 38 | TRC COS. INC., Lowell, Mass. | CSL |
| 41 | 78 | GILBANE BUILDING CO., Providence, R.I. | CON |
| 42 | 47 | ALBERICI-FLINTCO, St. Louis, Mo. | CON |
| 43 | 37 | LOUIS BERGER, Morristown, N.J. | DES |
| 44 | 36 | PCL CONSTRUCTION ENTERPRISES INC., Denver, Colo. | CON |
| 45 | 48 | CAROLLO ENGINEERS INC., Walnut Creek, Calif. | DES |
| 46 | 44 | LYLES CONSTRUCTION GROUP, Fresno, Calif. | CON |
| 47 | 43 | GEOSYNTEC CONSULTANTS INC., Atlanta, Ga. | CSL/DES |
| 48 | 45 | KOKOSING INC., Westerville, Ohio | CON |
| 49 | ** | BAUER RESOURCES GMBH, Schrobenhausen, Germany | CON |
| 50 | 50 | BURNS & MCDONNELL, Kansas City, Mo. | DES |
| 51 | 49 | NATIONAL RESPONSE CORP., Great River, N.Y. | OPS |
| 52 | 52 | HAZEN AND SAWYER, New York, N.Y. | DES |
| 53 | 60 | WOODARD & CURRAN, Portland, Maine | DES |
| 54 | 54 | CLEAN EARTH INC., Hatboro, Pa. | CM/PM |
| 55 | ** | CARDNO LTD., Brisbane, Queensland, Australia | DES |
| 56 | 41 | WORLEYPARSONS LTD., North Sydney, New South Wales, Australia | CSL |
| 57 | 51 | WESTON SOLUTIONS INC., West Chester, Pa. | CSL |
| 58 | 66 | ULLIMAN SCHUTTE CONSTRUCTION LLC, Miamisburg, Ohio | CON |
| 59 | 56 | BUREAU VERITAS, Fort Lauderdale, Fla. | CSL |
| 60 | 58 | SCS ENGINEERS, Long Beach, Calif. | DES/CSL |
| 61 | 61 | OBG, Syracuse, N.Y. | DES/CSL/CON/CM-PM |
| 62 | 75 | ATC GROUP SERVICES LLC, Lafayette, La. | CON |
| 63 | 59 | TERRACON CONSULTANTS INC., Olathe, Kan. | CSL |
| 64 | 63 | SEVENSON ENVIRONMENTAL SERVICES INC., Niagara Falls, N.Y. | CON |
| 65 | 65 | APEX COS. LLC, Rockville, Md. | CSL/CON/CM-PM |
| 66 | 62 | WHARTON-SMITH INC., Sanford, Fla. | CON |
| 67 | 68 | KLEINFELDER, San Diego, Calif. | CM-PM |
| 68 | 64 | MICHAEL BAKER INTERNATIONAL, Pittsburgh, Pa. | CSL |
| 69 | 57 | RICE LAKE CONSTRUCTION GROUP, Deerwood, Minn. | CON |
| 70 | 71 | EA ENGINEERING, SCIENCE, AND TECHNOLOGY INC., Hunt Valley, Md. | DES |
| 71 | 69 | SNC-LAVALIN INC., Montreal, Quebec, Canada | CSL |
| 72 | 84 | CASCADE ENVIRONMENTAL, Woodinville, Wash. | CSL/CON |
| 73 | 107 | NAVARRO RESEARCH AND ENGINEERING INC., Oak Ridge, Tenn. | CON |
| 74 | 94 | NORTH WIND GROUP, Idaho Falls, Idaho | CON |
| 75 | 77 | TRINITY CONSULTANTS, Dallas, Texas | CSL |
| 76 | 125 | HASKELL, Jacksonville, Fla. | CON |
| 77 | 85 | LANGAN ENGIN., ENVIR., SURV. & LANDSCAPE ARCH., Parsippany, N.J. | DES |
| 78 | 83 | HALEY & ALDRICH INC., Burlington, Mass. | CSK |
| 79 | 88 | MAX FOOTE CONSTRUCTION CO. LLC, Mandeville, La. | CON |
| 80 | 103 | C.H. NICKERSON & CO. INC., Torrington, Conn. | CON |
| 81 | 67 | ECOLOGY AND ENVIRONMENT INC., Lancaster, N.Y. | CSL |
| 82 | 102 | ALLAN MYERS, Worcester, Pa. | CM/PM |
| 83 | 72 | C. OVERAA & CO., Richmond, Calif. | CON |
| 84 | 100 | CROWDER CONSTRUCTORS INC., Charlotte, N.C. | CON |
| 85 | 81 | PAL ENVIRONMENTAL SAFETY CORP., Long Island City, N.Y. | CON |
| 86 | 74 | ECC, Burlingame, Calif. | CON |
| 87 | 93 | KENNEDY JENKS CONSULTANTS INC, San Francisco, Calif. | DES |
| 88 | 89 | ANCHOR QEA LC, Seattle, Wash. | CSL |
| 89 | 86 | ENVIRONMENTAL RESTORATION LLC, St. Louis, Mo. | CON |
| 90 | 80 | SUKUT CONSTRUCTION LLC, Santa Ana, Calif. | CON |
| 91 | 73 | REMEDIAL CONSTRUCTION SERVICES LP, Houston, Texas | CON |
| 92 | 99 | HATCH LTD., Mississauga, Ontario, Canada | DES |
| 93 | 92 | GROUNDWATER & ENVIRONMENTAL SERVICES INC., Wall Township, N.J. | CSL |
| 94 | ** | AMERICAN INTEGRATED SERVICES INC., Wilmington, Calif. | CON |
| 95 | 91 | CIVIL & ENVIRONMENTAL CONSULTANTS INC., Pittsburgh, Pa. | DES |
| 96 | 96 | GZA, Norwood, Mass. | CSL |
| 97 | 87 | SWCA ENVIRONMENTAL CONSULTANTS, Phoenix, Ariz. | CSL |
| 98 | 95 | ROUX ASSOCIATES INC., Islandia, N.Y. | CSL |
| 99 | 90 | HYDROGEOLOGIC INC., Reston, Va. | CON |
| 100 | 108 | DUDEK, Encinitas, Calif. | CSL |