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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 1,789 contractors with tracked Department of the Interior awards, totalling $9,124,524,273. Ranked by award value.

Search live opportunities →All contractors

1GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.$427,281,0107 awards
2GUIDEHOUSE INC.$403,074,0001 awards
3CDM CONSTRUCTORS INC$357,651,6411 awards
4DEEP MILE NETWORKS LLC$331,678,3881 awards
5NW CONSTRUCTION, INC$325,563,9623 awards
6KIEWIT INFRASTRUCTURE WEST CO.$321,052,9232 awards
7STRONGHOLD ENGINEERING INC$256,685,7712 awards
8LUMEN TECHNOLOGIES GOVERNMENT SOLUTIONS, INC.$243,521,0641 awards
9TEPA EC, LLC$219,625,3181 awards
10PLANET TECHNOLOGIES, INC.$201,569,5961 awards
11SENECA STRATEGIC PARTNERS, LLC$168,598,3856 awards
12MAGELLAN FEDERAL, INC.$151,844,1032 awards
13OSCAR RENDA CONTRACTING INC$131,868,9251 awards
14CENTERPOINT LLC$126,253,4921 awards
15AMES FEDERAL CONTRACTING GROUP LLC$115,012,0881 awards
16G.S.E. CONSTRUCTION COMPANY, INC.$113,257,3002 awards
17FLATLAND ENERGY SERVICES LLC$75,532,9211 awards
18ARCHER WESTERN CONSTRUCTION, LLC$73,632,3851 awards
19KBR WYLE SERVICES, LLC$71,450,71119 awards
20JBS INTERNATIONAL, INC.$68,655,6102 awards
21MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.$66,102,3021 awards
22CACI, INC. - FEDERAL$61,267,4614 awards
23AMERESCO INC$59,878,0181 awards
24CONSIGLI CONSTRUCTION CO., INC.$57,375,0121 awards
25YELLOWSTONE ELECTRIC CO$56,799,9472 awards
26GARCO CONSTRUCTION, INC.$55,821,9871 awards
27ACCENTURE FEDERAL SERVICES LLC$55,179,0608 awards
28VERIZON BUSINESS NETWORK SERVICES LLC$55,166,6373 awards
29CHENEGA PROFESSIONAL & TECHNICAL SERVICES LLC$53,777,7691 awards
30TUTOR PERINI CORPORATION$50,065,7351 awards
31PAULSEN CONSTRUCTION, LLC$48,443,3292 awards
32ICF INCORPORATED, L.L.C.$47,574,52114 awards
33ATHERTON CONSTRUCTION LLC$45,860,3372 awards
34RECORD STEEL AND CONSTRUCTION, INC.$45,609,4351 awards
35STONE & LIME IMPORTS, INC$45,283,0042 awards
36COASTAL CONSTRUCTION GROUP, LLC$44,868,4001 awards
37AMES CONSTRUCTION, INC.$43,526,7681 awards
38SCIENCE APPLICATIONS INTERNATIONAL CORPORATION$42,538,3287 awards
39SIEMENS GOVERNMENT TECHNOLOGIES INC$42,410,7341 awards
40THE IQ BUSINESS GROUP, INC.$40,453,4741 awards
41ACUMEN LLC$40,162,7772 awards
42BAIRCO CONSTRUCTION INC$40,136,0413 awards
43BOOZ ALLEN HAMILTON INC$39,950,6374 awards
44INNOVEST SYSTEMS, LLC$39,254,2411 awards
45HPM, INC.$38,970,6802 awards
46BLINDERMAN CONSTRUCTION CO INC$38,557,2541 awards
47WEEKS MARINE INC$37,402,6061 awards
48AFFIGENT, LLC$36,623,11210 awards
49RESEARCH DATA AND COMMUNICATION TECHNOLOGIES BENEFIT CORP$35,416,1201 awards
50NICKERSON & O'DAY, INC.$35,293,4531 awards
51GLOBAL CONNECTIONS TO EMPLOYMENT, INC.$35,247,8053 awards
52MCMILLEN, INC.$35,015,9132 awards
53HARTMAN-WALSH PAINTING COMPANY$34,778,3591 awards
54MEDVOLT - ROUNDHOUSE JV$34,324,8351 awards
55THE BEDWELL COMPANY$33,340,6851 awards
56PERIMETER SOLUTIONS LP$33,000,0001 awards
57CENTERRA GROUP, LLC$32,236,1281 awards
58FLEXION INC$32,043,0732 awards
59GREENBERRY INDUSTRIAL LLC$31,430,3611 awards
60THE BIZZELL GROUP LLC$31,215,9511 awards