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The Top 200 Environmental Firms

2012
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The Top 200 Environmental Firms managed to grow revenue in 2011 despite economic uncertainties around the world and tightening infrastructure budgets in the public sector, traditionally a mainstay for this group. But where one window closed, a door opened for providers of environmental services on the 2012 list. Overall revenue was up 5%, to $54.1 billion, a slower rise than the 6.2% of the previous year but buoyed by increases in non-U.S. work and private-sector activity, which each exceeded 20%.

The table below shows only rankings and firm name. For complete data from the 2012 Top 200 Environmental Firms report, see the following links.

The Top 200 Environmental Firms
RANK FIRM NAME & LOCATION Total
(in $ MIL.)
2012 2011
1
1
 CH2M HILL Ltd., Englewood, Colo.†
4,113.0
2
2
 URS Corp., New York, N.Y.†
3,852.4
3
3
 Veolia Environnement S.A., Chicago, Ill.1
3,323.2
4
4
 Bechtel Corp., San Francisco, Calif.†
2,595.8
5
5
 Tetra Tech Inc., Pasadena, Calif.
2,313.0
6
7
 EnergySolutions Inc., Salt Lake City, Utah2
1,849.0
7
6
 AECOM Technology Corp., New York, N.Y.
1,806.7
8
8
 The Shaw Group Inc., Baton Rouge, La.†3
1,529.5
9
12
 MWH Global, Broomfield, Colo.†
1,422.1
10
9
 Fluor Corp., Irving, Texas
1,164.5
11
**
 Clean Harbors Inc., Norwell, Mass.4
1,140.0
12
11
 ARCADIS U.S. Inc., Highlands Ranch, Colo.†
1,136.0
13
10
 Kiewit Corp., Omaha, Neb.
1,043.0
14
13
 Battelle Memorial Institute, Columbus, Ohio
994.8
15
14
 CDM Smith, Cambridge, Mass.†
960.8
16
17
 Golder Associates Corp., Mississauga, Ontario, Canada†
925.0
17
28
 AMEC plc, London, England, U.K.
892.4
18
16
 Black & Veatch, Overland Park, Kan.†
826.5
19
21
 Environ. Resources Management Inc. (ERM), London, England, U.K.†
770.5
20
15
 Parsons Corp., Pasadena, Calif.†
741.2
21
18
 Layne Christensen Inc., Mission Woods, Kan.†
734.2
22
23
 HDR, Omaha, Neb.†
733.5
23
20
 The Walsh Group Ltd., Chicago, Ill.†
714.4
24
22
 Stantec Inc., Edmonton, Alberta, Canada†
680.0
25
19
 Science Applications International Corp. (SAIC), McLean, Va.†
621.4
26
25
 Aegion Corp., Chesterfield, Mo. †5
532.7
27
24
 Skanska USA Inc., East Elmhurst, N.Y.†
481.1
28
27
 Louis Berger, Morristown, N.J.†
463.1
29
26
 Alberici Corp., St. Louis, Mo.†
453.2
30
33
 Garney Holding Co., Kansas City, Mo.†
422.1
31
**
 The Babcock & Wilcox Co., Charlotte, N.C.†
401.6
32
36
 Cardno USA Inc., Portland, Ore.†
391.6
33
85
 Antea Group, Gouda, The Netherlands†
384.0
34
31
 Weston Solutions Inc., West Chester, Pa.†
378.9
35
34
 ICF International, Fairfax, Va.6
359.4
36
37
 Conestoga-Rovers & Associates, Niagara Falls, N.Y.
340.0
37
35
 EQ-The Environmental Quality Co., Wayne, Mich.†7
325.0
38
32
 Parsons Brinckerhoff, New York, N.Y.,†
323.4
39
41
 WorleyParsons Ltd., North Sydney, NSW, Australia
287.3
40
44
 ENVIRON Holdings Inc., Arlington, Va.†
282.5
41
39
 Brown and Caldwell, Walnut Creek, Calif.†
270.0
42
30
 Sevenson Environmental Services Inc., Niagara Falls, N.Y.†
257.5
43
29
 PCL Construction Enterprises Inc., Denver, Colo.
233.8
44
40
 Los Alamos Technical Associates Inc., Albuquerque, N.M.†
221.2
45
48
 TRC Cos. Inc., Lowell, Mass.†
216.4
46
45
 PC Construction Co., South Burlington, Vt.
213.8
47
60
 Bowen Engineering Corp., Indianapolis, Ind.
212.6
48
58
 Ecology and Environment Inc., Lancaster, N.Y.†
169.2
49
63
 LVI Services Inc., New York, N.Y.
168.2
50
54
 Geosyntec Consultants Inc., Atlanta, Ga.†
167.2
51
46
 Wharton-Smith Inc., Lake Monroe, Fla.
165.0
52
53
 Hazen and Sawyer P.C., New York, N.Y.
164.0
53
68
 The S.M. Stoller Corp., Broomfield, Colo.
160.9
54
52
 Burns & McDonnell, Kansas City, Mo.
156.2
55
56
 ATC Group Services Inc., Lafayette, La.†8
155.2
56
51
 DHV Holding BV, Amersfoort, The Netherlands†
155.0
57
59
 SCS Engineers, Long Beach, Calif.†
152.7
58
70
 O’Brien & Gere, Syracuse, N.Y.
151.4
59
62
 WSP Environment & Energy, Reston, Va.
146.1
60
55
 Carollo Engineers Inc., Walnut Creek, Calif.
145.6
61
77
 Michael Baker Corp., Moon Township, Pa.†
140.4
62
82
 Casey Industrial Inc., Westminster, Colo.
140.2
63
**
 McCarthy Holdings Inc., St. Louis, Mo.†
136.0
64
64
 Kleinfelder, San Diego, Calif.
132.7
65
71
 Groundwater & Environmental Services Inc., Neptune, N.J.
130.7
66
57
 Lakeshore TolTest Corp., Detroit, Mich.†
130.4
67
69
 Envirocon Inc., Missoula, Mont.
128.2
68
78
 Pepper Construction Group, Chicago, Ill.†
124.1
69
66
 Barnard Construction Co. Inc., Bozeman, Mont.†
122.0
70
74
 Brasfield & Gorrie LLC, Birmingham, Ala.
121.5
71
79
 Hatch Mott MacDonald, Millburn, N.J.†
118.8
72
83
 Perma-fix Environmental Services, Atlanta, Ga.†
118.6
73
75
 Lyles Construction Group, Fresno, Calif.†
116.9
74
76
 Gannett Fleming Inc., Harrisburg, Pa.†
113.9
75
101
 Slayden Construction Group Inc., Stayton, Ore.
110.0
76
67
 Clean Earth Inc., Hatboro, Pa.†
109.7
77
91
 J.R. Filanc Construction Co. Inc, Escondido, Calif.
109.6
78
73
 Ulliman Schutte Construction LLC, Miamisburg, Ohio†
108.9
79
80
 Environmental Restoration LLC, St Louis, Mo.
106.0
80
87
 American Infrastructure, Worcester, Pa.
105.7
81
84
 Woodard & Curran Inc., Portland, Maine
104.0
82
89
 Remedial Construction Services LP, Houston, Texas†9
103.6
83
88
 Terracon Consultants Inc., Olathe, Kan.†
99.0
84
86
 EA Engineering, Science, and Technology Inc., Hunt Valley, Md.
95.7
85
98
 Crowder Construction Co., Charlotte, N.C.
89.7
86
156
 Versar Inc., Springfield, Va.†
89.6
87
106
 The Conti Group, Edison, N.J.
87.7
88
90
 North Wind Group, Idaho Falls, Idaho†
87.1
89
94
 NCM, Brea, Calif.†
84.3
90
61
 Atkins North America, Tampa, Fla.†
81.4
91
**
 ECC, Burlingame, Calif.†
80.5
92
92
 Safety and Ecology Corp., Knoxville, Tenn.†
78.1
93
112
 Encore Construction Co. LLC, Winter Garden, Fla.
76.2
94
97
 Greeley and Hansen LLC, Chicago, Ill.†
75.4
95
81
 HNTB, Kansas City, Mo.
74.7
96
107
 Haley & Aldrich Inc., Burlington, Mass.
74.1
97
93
 Bureau Veritas, Fort Lauderdale, Fla.
73.6
98
100
 Roux Associates Inc., Islandia, N.Y.
71.5
99
108
 Apex Cos. LLC, Rockville, Md.†
70.5
100
99
 GZA GeoEnvironmental Inc., Norwood, Mass.†
70.4
001-100101-200

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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