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NAICS recipient rankings

Top recipient paths for NAICS 541620.

Use this ranking when the research starts with NAICS 541620 and you want the strongest contractor profiles attached to Environmental Consulting Services before widening into geography or PSC analysis.

NAICS recipient rankings

Top recipient paths for NAICS 541620

These ranked recipient pages are useful when you want a cleaner contractor-first entry point than the broader browse page.

1

Tetra Tech Ec, Inc.

San Diego, CA · Department of Defense

$418,648,162
2

Chenega Global Services LLC

San Antonio, TX · Department of Defense

$335,293,840
3

Icf Incorporated, L.l.c.

Reston, VA · Department of Health and Human Services

$271,970,237
4

Weston Solutions INC

West Chester, PA · Department of Defense

$169,108,559
5

Ahtna Facility Services, Incorporated

Anchorage, AK · Department of Energy

$162,775,018
6

Olgoonik Diversified Services LLC

Colorado Springs, CO · Department of Defense

$161,619,504
7

Tetra Tech, Inc.

Pasadena, CA · Department of Defense

$130,835,501
8

Resource Management Concepts, Inc.

Lexington Park, MD · Department of Defense

$116,743,780
9

Src INC

Syracuse, NY · Department of Defense

$104,656,859
10

Ea Engineering, Science, And Technology, Inc., Pbc

Hunt Valley, MD · Department of Defense

$92,540,844
11

Jacobs Engineering Group Inc.

Arlington, VA · Department of Defense

$91,846,363
12

Nv5 Geospatial, Inc.

Saint Petersburg, FL · Department of the Interior

$90,434,064
13

Kawerak, Inc.

Nome, AK · Department of the Interior

$90,174,939
14

Jacobs Government Services Company

Arlington, VA · Department of Defense

$85,879,287
15

Cdm Smith Inc.

Carlsbad, CA · Department of Defense

$81,627,935
16

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA · Department of Defense

$75,668,109
17

Navarro Research And Engineering, Inc.

Oak Ridge, TN · Department of Energy

$65,564,010
18

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO · Department of Defense

$59,678,442
19

Wsp USA Solutions INC

Arlington, VA · Department of Defense

$36,524,205
20

Ce2 Kleinfelder Jv

Pleasanton, CA · Department of Defense

$34,854,473
21

Kleinfelder INC

Rancho Cordova, CA · Department of Defense

$30,745,589
22

Redhorse Corporation

Arlington, VA · Department of Defense

$30,311,976
23

Arcadis U.s., Inc.

Highlands Ranch, CO · Department of Defense

$28,235,915
24

Lime Energy Services Co.

Huntersville, NC · Department of Defense

$26,987,074
25

The Cadmus Group LLC

Arlington, VA · Environmental Protection Agency

$26,069,830
26

Mantech-aecom Joint Venture

Herndon, VA · Department of Defense

$25,386,140
27

Ahtna Global LLC

Anchorage, AK · Department of Defense

$24,004,773
28

Michael Baker International Holdco Corporation

Moon Township, PA · Department of Defense

$23,540,961
29

Stantec Consulting Services Inc.

Denver, CO · Department of Defense

$21,902,417
30

Cardinal Point Captains, Inc.

San Diego, CA · Department of Commerce

$20,710,886
31

Clean Harbors Environmental Services INC

Norwell, MA · Department of Agriculture

$20,527,027
32

Aecom International Inc.

Frankfurt Am Main · Department of Defense

$19,815,799
33

Power Engineers INC

Hailey, ID · Department of Defense

$19,792,678
34

Ahtna Professional Services, Inc.

Anchorage, AK · Department of Homeland Security

$17,309,386
35

Paragon Technical Services, Inc.

Hilliard, OH · Department of Energy

$16,565,776
36

Feditc, LLC

Rockville, MD · Department of Defense

$16,143,798
37

Ahtna Solutions, LLC

Anchorage, AK · Department of Defense

$14,194,644
38

Hdr, INC

Omaha, NE · Department of Veterans Affairs

$11,276,362
39

Management Concepts, INC

Tysons Corner, VA · Department of Defense

$8,860,736
40

Advanced Technologies And Laboratories (atl) International, Inc.

Gaithersburg, MD · Department of Energy

$7,100,166
41

Geosyntec Consultants, Inc.

Boca Raton, FL · Department of Defense

$5,717,732
42

Icf Incorporated

Fairfax, VA · Department of Health and Human Services

$5,505,384
43

Taylor-woolpert, LLC

Jacksonville, FL · Department of Defense

$4,746,268
44

Brown And Caldwell

San Diego, CA · Department of Defense

$3,910,103
45

Koniag Operations Services LLC

Anchorage, AK · General Services Administration

$1,346,163
46

Trs Group, Inc.

Indianapolis, IN · Small Business Administration

$1,175,119
47

Atkins North America, Inc.

Dallas, TX · Department of Defense

$732,372
48

Rs&h, Inc.

Merritt Island, FL · National Aeronautics and Space Administration

$587,230
49

Trc Companies, Inc.

Windsor, CT · Environmental Protection Agency

$545,435
50

Smithgroup Michigan Incorporated

Detroit, MI · Department of the Interior

$274,279

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