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Search every US federal contract opportunity on SAM.gov, and draft winning RFP responses with AI.

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Agency award leaders

Top Department of the Interior contractors

The 4,139 contractors with tracked Department of the Interior awards, totalling $32,122,683,887. Ranked by award value.

Search live opportunities →All contractors

1GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.$1,065,642,05925 awards
2BOOZ ALLEN HAMILTON INC$842,833,71661 awards
3ACACIA CENTER FOR JUSTICE$832,386,5161 awards
4NW CONSTRUCTION, INC$628,651,2105 awards
5GUIDEHOUSE DIGITAL LLC$497,638,0434 awards
6GUIDEHOUSE INC.$465,624,0107 awards
7TEPA EC, LLC$424,164,9057 awards
8CDM CONSTRUCTORS INC$364,042,5161 awards
9FAMILY ENDEAVORS, INC.$346,530,7451 awards
10DEEP MILE NETWORKS LLC$334,904,3971 awards
11KIEWIT INFRASTRUCTURE WEST CO.$321,189,3732 awards
12ACCENTURE FEDERAL SERVICES LLC$310,579,71427 awards
13JACOBS PROJECT MANAGEMENT CO.$271,036,1821 awards
14THE PROVIDENCIA GROUP LLC$270,411,9821 awards
15STRONGHOLD ENGINEERING INC$270,319,8103 awards
16KBR WYLE SERVICES, LLC$269,909,56959 awards
17CGI FEDERAL INC.$262,093,75819 awards
18LUMEN TECHNOLOGIES GOVERNMENT SOLUTIONS, INC.$247,135,2762 awards
19PERIMETER SOLUTIONS LP$246,944,0277 awards
20AMES FEDERAL CONTRACTING GROUP LLC$244,551,6213 awards
21DLH, LLC$232,204,7192 awards
22ANDRITZ HYDRO CORP$216,736,61813 awards
23CHEROKEE CRC LLC$211,326,1468 awards
24PLANET TECHNOLOGIES, INC.$201,569,5961 awards
25PERINI MANAGEMENT SERVICES, INC.$199,062,5604 awards
26SENECA STRATEGIC PARTNERS, LLC$194,925,24614 awards
27MAGELLAN FEDERAL, INC.$193,432,7455 awards
28SMARTRONIX, LLC$189,499,30811 awards
29BWI TPC, A JOINT VENTURE$187,852,6541 awards
30RECORD STEEL AND CONSTRUCTION, INC.$185,491,9933 awards
31CACI, INC. - FEDERAL$174,645,88910 awards
32ZEIDERS ENTERPRISES, INC.$165,338,3861 awards
33SEALASKA CONSTRUCTORS LLC$164,725,46724 awards
34BRISTOW LLC$157,912,9528 awards
35DEPLOYED SERVICES, LLC$156,848,2461 awards
36S.J. LOUIS CONSTRUCTION, INC$151,423,4482 awards
37ESSEX MANAGEMENT LLC$150,564,00212 awards
38GARCO CONSTRUCTION, INC.$149,563,9562 awards
39GENERAL DYNAMICS MISSION SYSTEMS, INC.$141,405,69711 awards
40STONE & LIME IMPORTS, INC$135,673,4966 awards
41TUKNIK GOVERNMENT SERVICES LLC$133,915,4838 awards
42OSCAR RENDA CONTRACTING INC$133,783,2891 awards
43ASM RESEARCH, LLC$132,735,6702 awards
44ICF INCORPORATED, L.L.C.$131,022,28445 awards
45CENTERPOINT LLC$126,253,4921 awards
46ARCHER WESTERN CONSTRUCTION, LLC$124,912,3982 awards
47OCTO CONSULTING GROUP LLC$121,717,0763 awards
48HENSEL PHELPS CONSTRUCTION CO$117,951,0141 awards
49KADIAK LLC$115,290,6696 awards
50G.S.E. CONSTRUCTION COMPANY, INC.$113,257,3002 awards
51KREW HEAVY CIVIL LLC$108,991,0961 awards
52NTT DATA FEDHEALTH, INC.$107,066,8743 awards
53MAXIMUS FEDERAL TECHNOLOGY SOLUTIONS, LLC$106,321,5811 awards
54SBD ALLIANT, LLC$105,398,3551 awards
55HENSEL PHELPS CONSTRUCTION CO.$104,936,0732 awards
56MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.$102,957,6682 awards
57NUAXIS LLC$100,865,9409 awards
58NTT DATA SERVICES FEDERAL GOVERNMENT, LLC$99,601,7616 awards
59NV5 GEOSPATIAL, INC.$98,758,76056 awards
60MATHEMATICA INC.$96,932,50415 awards