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The Top 200 Environmental Firms

2009
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ENR's Top 200 Environmental Firms ranking provides an annual look at a market that now exceeds $30 billion in annual revenue. An overview adds context to the numbers and looks at the players in various market segments.

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

The Top 200 Environmental Firms for 2009
RANK FIRM NAME & LOCATION TYPE OF
FIRM
1 1 CH2M Hill Ltd., Englewood, Colo.† DES/CSL
2 3 Veolia Environnement North America, Chicago, Ill.† OPS
3 4 URS Corp., San Francisco, Calif.† CSL/CM-PM
4 2 Bechtel, San Francisco, Calif.† CON
5 6 Tetra Tech Inc., Pasadena, Calif.† DES
6 9 Fluor Corp., Irving, Texas† CON
7 7 EnergySolutions LLC, Salt Lake City, Utah† OPS
8 16 AECOM Technology Corp., Los Angeles, Calif.† DES
9 11 Jacobs Engineering Group Inc., Pasadena, Calif. DES
10 8 MWH Global Inc., Broomfield, Colo.† DES
11 5 Black & Veatch, Overland Park, Kan.† CON
12 10 Parsons Corp., Pasadena, Calif.† DES/CON
13 21 Kiewit Corp., Omaha, Neb.† CON
14 14 Battelle, Columbus, Ohio† CSL
15 15 CDM, Cambridge, Mass.† DES
16 13 The Shaw Group Inc., Baton Rouge, La.† CON
17 17 ARCADIS, Highlands Ranch, Colo.† CON
18 20 Environmental Resources Management, Exton, Pa.† CSL
19 18 Science Applications International Corp. (SAIC), San Diego, Calif.† DES/CSL
20 22 Layne Christensen Co., Mission Woods, Kan.† CON
21 25 Skanska USA Inc., Whitestone, N.Y.† CON
22 28 AMEC, Philadelphia, Pa. DES/CSL
23 23 The Walsh Group Ltd., Chicago, Ill.† CON
24 24 Insituform Technologies Inc., Chesterfield, Mo. INST
25 26 HDR, Omaha, Neb.† DES
26 33 Stantec Inc., Edmonton, Alberta, Canada† DES
27 32 Garney Holding Co., Kansas City, Mo.† CON
28 36 Alberici Corp., St. Louis, Mo.† CON
29 31 Malcolm Pirnie Inc.,1 White Plains, N.Y. CSL
30 35 The Louis Berger Group, Morristown, N.J.† CM-PM
31 29 LVI Services Inc., New York, N.Y. OPS
32 30 PCL Construction Enterprises Inc., Denver, Colo.† CON
33 34 MACTEC Inc., Alpharetta, Ga.† CSL
34 37 Brown and Caldwell, Walnut Creek, Calif.† DES
35 27 Weston Solutions Inc., West Chester, Pa.† CSL
36 40 Sevenson Environmental Services Inc., Niagara Falls, N.Y.† CON
37 42 Pizzagalli Construction Co., South Burlington, Vt. CON
38 43 ENVIRON, Arlington, Va.† CSL
39 44 Parsons Brinckerhoff Inc., New York, N.Y.† DES
40 38 Conestoga-Rovers & Associates, Niagara Falls, N.Y.† DES
41 46 EQ-The Environmental Quality Co., Wayne, Mich.† CON
42 47 TRC Cos. Inc., Lowell, Mass.† CSL
43 41 WorleyParsons, Long Beach, Calif.† DES
44 19 Golder Associates Corp., Mississauga, Ontario, Canada† CSL
45 48 ATC Group Services, Woburn, Mass.† CSL
46 54 Barnard Construction Co. Inc., Bozeman, Mont.† CON
47 50 Halcrow, New York, N.Y.† DES/CSL
48 51 Wharton-Smith Inc., Lake Monroe, Fla.† CON
49 39 Burns & McDonnell, Kansas City, Mo.† CON
50 45 PBS&J, Tampa, Fla.† CSL
51 53 WRScompass, Tampa, Fla.2 CON
52 52 Carollo Engineers P.C., Phoenix, Ariz.† DES
53 56 Entact LLC, Grapevine, Texas CON
54 80 Ulliman Schutte Construction LLC, Miamisburg, Ohio† CON
55 58 Lyles Construction Group, Fresno, Calif.† CM-PM
56 55 Envirocon Inc., Missoula, Mont. CON
57 62 Hazen and Sawyer P.C., New York, N.Y. DES
58 67 SCS Engineers, Long Beach, Calif.† CSL/DES
59 68 Geosyntec Consultants Inc., Boca Raton, Fla.† CSL
60 59 The Kleinfelder Group Inc. San Diego, Calif. CSL
61 66 Remedial Construction Services L.P., Houston, Texas CON
62 60 O’Brien & Gere, Syracuse, N.Y.† CSL/DES
63 70 Silverite Construction Co. Inc., Hicksville, N.Y. CON
64 61 Michael Baker Corp., Moon Township, Pa.† DES
65 65 Groundwater & Environmental Services Inc., Neptune, N.J. CSL
66 ** Portage Inc., Idaho Falls, Idaho† CON
67 78 Hatch Mott MacDonald, Millburn, N.J.† DES
68 79 Brasfield & Gorrie LLC, Birmingham, Ala. CON
69 71 Bowen Engineering Corp., Indianapolis, Ind. CON
70 69 The S.M. Stoller Corp., Broomfield, Colo.† OPS
71 87 American Infrastructure, Worcester, Pa.† CON
72 72 Ecology and Environment Inc., Lancaster, N.Y.† CSL
73 73 Delta Consultants, St. Paul, Minn.† DES
74 82 ENTRIX Inc., Houston, Texas† CSL
75 76 RMT Inc., Madison, Wis.† DES/CSL/CON
76 109 Sukut Construction Inc., Santa Ana, Calif. CON
77 57 Infiltrator Systems Inc., Old Saybrook, Conn. R&D
78 77 Crowder Construction Co., Charlotte, N.C. CON
79 75 Gannett Fleming Inc., Harrisburg, Pa.† DES
80 103 Slayden Construction Group Inc., Stayton, Ore. CON
81 101 The Conti Group, South Plainfield, N.J.† CON
82 92 Max Foote Construction Co. Inc., Mandeville, La. CON
83 84 Bureau Veritas, Fort Lauderdale, Fla. CSL
84 90 Woodard & Curran, Portland, Maine CSL
85 ** USA Environment LP, Houston, Texas† CON
86 88 Terracon, Olathe, Kan.† CSL
87 95 Kennedy/Jenks Consultants Inc., San Francisco, Calif. DES
88 94 Natural Resource Group LLC, Minneapolis, Minn. CSL
89 106 Traylor Bros. Inc., Evansville, Ind. CON
90 86 Carlin Contracting Co. Inc., Waterford, Conn. CON
91 85 C.H. Nickerson & Co. Inc., Torrington, Conn. CON
92 89 Encore Construction Co., Winter Garden, Fla. CON
93 ** Jordan, Jones & Goulding, Norcross, Ga. DES
94 83 Environmental Quality Management Inc., Cincinnati, Ohio† CON
95 96 EA Engineering, Science and Technology Inc., Hunt Valley, Md. DES/CSL
96 107 Greeley and Hansen LLC, Chicago, Ill.† DES
97 ** Perma-Fix Environmental Services Inc., Atlanta, Ga.† OTM
98 ** WSP Environment & Energy, Reston, Va.† DES/CSL
99 74 C. Overaa & Co., Richmond, Calif. CON
100 98 GZA GeoEnvironmental Inc., Norwood, Mass.† CSL
001-100101-200A-Z

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.

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