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NAICS 541620

Top contractors in NAICS 541620

The 489 contractors with tracked federal awards in NAICS 541620, totalling $4,875,470,036. Ranked by award value.

See live NAICS 541620 opportunities →All contractors

1TETRA TECH, INC.$443,610,719170 awards
2EASTERN RESEARCH GROUP INC$288,658,449138 awards
3PROJECT ENHANCEMENT CORPORATION$262,624,12612 awards
4LYNKER CORPORATION$158,841,91714 awards
5THE CADMUS GROUP LLC$148,860,37478 awards
6WESTON SOLUTIONS INC$140,792,87070 awards
7LOCKHEED MARTIN SERVICES, LLC$139,903,8341 awards
8ENVIRONMENTAL INCENTIVES, INC.$132,854,4285 awards
9S C & A INC$111,029,29322 awards
10SKEO SOLUTIONS, INC$81,702,05012 awards
11ICF INCORPORATED, L.L.C.$77,707,49726 awards
12VERNADERO GROUP INC$71,223,79214 awards
13CDM FEDERAL PROGRAMS CORPORATION$69,447,80523 awards
14GRYPHON ENVIRONMENTAL, LLC$63,969,5273 awards
15GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.$63,940,83521 awards
16GULF SOUTH RESEARCH CORP$60,693,19018 awards
17RESEARCH TRIANGLE INSTITUTE$58,881,46311 awards
18CONSOLIDATED SAFETY SERVICES INCORPORATED$55,494,13912 awards
19SRC INC$50,493,29019 awards
20CHEMONICS INTERNATIONAL, INC.$49,402,5454 awards
21SOL SOLUTIONS, LLC$49,131,4898 awards
22ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLC$43,975,85824 awards
23WSP USA SOLUTIONS INC$42,721,02818 awards
24CSRA LLC$41,312,0971 awards
25WESTON-TECHLAW JV LLC$39,410,62618 awards
26GENWEST SYSTEMS INC$38,403,32610 awards
27APTIM FEDERAL SERVICES, LLC$34,742,9469 awards
28SOLV LLC$31,914,8337 awards
29SCIENCE APPLICATIONS INTERNATIONAL CORPORATION$30,936,4842 awards
30WSP USA ENVIRONMENT & INFRASTRUCTURE INC.$30,506,70619 awards
31RPI-CSS, LLC$29,984,0527 awards
32ECO & ASSOCIATES, INC.$29,413,5608 awards
33ABT GLOBAL LLC$29,013,19610 awards
34AECOM TECHNICAL SERVICES, INC.$28,308,35510 awards
35JACOBS ENGINEERING GROUP INC.$28,224,1561 awards
36ENVIRONMENTAL MANAGEMENT SUPPORT, INC$27,786,46319 awards
37TETRA TECH INC$27,287,94412 awards
38TOEROEK ASSOCIATES, INC.$26,907,36325 awards
39BLUESTONE ENVIRONMENTAL GROUP, INC.$25,783,2198 awards
40THE SOLUTION FOUNDRY, LLC$25,465,8554 awards
41INDEPENDENT STRATEGIC MANAGEMENT SOLUTIONS INC$24,928,32312 awards
42INTEGRATED SYSTEMS SOLUTIONS, INC.$24,731,5084 awards
43GREAT LAKES ENVIRONMENTAL CENTER, INC$24,457,9239 awards
44SIGNATURE SCIENCE LLC$23,881,2632 awards
45SUNDANCE CONSULTANTS, LLC$23,179,69611 awards
46TIERRA RIGHT OF WAY SERVICES LTD$23,024,7255 awards
47AEROSTAR ENVIRONMENTAL AND CONSTRUCTION LLC$22,550,0273 awards
48OCEAN ASSOCIATES INC$21,124,3867 awards
49STANTEC CONSULTING SERVICES INC.$19,014,99314 awards
50ENVIRONMENTAL COMPLIANCE CONSULTANTS, INC.$18,494,9694 awards
51BOSTON GOVERNMENT SERVICES, LLC$18,103,8234 awards
52CHENEGA RELIABLE SERVICES LLC$17,645,9724 awards
53SPATIAL FRONT INC$17,313,4952 awards
54RESEARCH PLANNING, INC.$16,784,1708 awards
55HSG, LLC$16,681,7909 awards
56RENOVA-SOVEREIGN JOINT VENTURE$16,457,6482 awards
57BERING GLOBAL SOLUTIONS, LLC$16,451,5752 awards
58ENVIRONMENTAL RESEARCH GROUP, L.L.C.$16,439,12712 awards
59BOOZ ALLEN HAMILTON INC$16,390,78714 awards
60PB&A/CSS JV, LLC.$16,264,2037 awards