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Department of the Interior top contractors and award recipients

Abbreviation DOTI | 431 recipients | $33,467,029,400 mapped obligations | 4 active categories | Updated April 20, 2026

Abbreviation: DOTI

Last updated: April 20, 2026

431 visible recipients are connected to this agency profile.

$33,467,029,400 in mapped obligations are visible across the recipient set tied to this buyer.

4 high-signal NAICS lanes are attached to this agency page.

Visible recipients

431

Mapped obligations

$33,467,029,400

Active categories

Top recipients

Most visible recipients in this buyer context

171

Recipient

Coeur D'alene Tribe

Plummer, ID | 108 awards | Top agency Department of the Interior | NAICS 541620

$164,249,560

172

Recipient

Mwh Constructors INC

Broomfield, CO | 5 awards | Top agency Department of the Interior | NAICS 541310

$17,244,956

173

Recipient

Olgoonik Logistics, LLC

Anchorage, AK | 94 awards | Top agency Department of State | NAICS 561210

174

Recipient

Leidos Security Detection & Automation, Inc.

Tewksbury, MA | 56 awards | Top agency Department of Homeland Security | NAICS 334517

$2,038,075

175

Recipient

Hopi Tribe

Kykotsmovi Village, AZ | 112 awards | Top agency Department of the Interior | NAICS 541720

$206,351,110

176

Recipient

A-tek, Inc.

Mc Lean, VA | 33 awards | Top agency Department of Health and Human Services | NAICS 541512

$24,188,549

177

Recipient

Worldwide Language Resources, LLC

Fayetteville, NC | 27 awards | Top agency Department of Defense | NAICS 541930

178

Recipient

Seminole Tribe Of Florida

Hollywood, FL | 131 awards | Top agency Department of the Treasury | NAICS 311611

$152,039,150

179

Recipient

Choggiung LTD

Dillingham, AK | 4 awards | Top agency Department of Commerce | NAICS 531120

$346,362

180

Recipient

Black & Veatch Corporation

Alpharetta, GA | 5 awards | Top agency Environmental Protection Agency | NAICS 541611

$286,853

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State, industry, and service paths

States

Arizona

21 recipients · $15,262,564,994

Virginia

81 recipients · $10,447,770,800

Alaska

51 recipients · $4,752,935,687

California

35 recipients · $3,944,485,061

Texas

11 recipients · $2,682,797,920

Oklahoma

15 recipients · $2,569,091,446

NAICS

NAICS 541330

114 recipients · $39,781,929,483

NAICS 541712

33 recipients · $33,105,685,331

NAICS 336992

4 recipients · $31,674,931,995

NAICS 336411

5 recipients · $24,504,233,826

NAICS 541512

65 recipients · $23,928,201,577

NAICS 236220

69 recipients · $23,131,399,845

PSC

PSC R425

64 recipients · $37,456,056,091

PSC R499

127 recipients · $18,682,125,742

PSC 1550

2 recipients · $14,997,288,622

PSC J015

4 recipients · $14,639,619,197

PSC Y1PZ

8 recipients · $9,083,894,385

PSC D399

46 recipients · $8,218,966,973

Explore rankings

Ranking paths for Department of the Interior

Top Recipients Top Awards Top States Top NAICS Top PSC Arizona view Arizona + NAICS 541330 Arizona + PSC R425 NAICS 541330 + PSC R425 Arizona top NAICS Arizona top PSC NAICS 541330 → PSC PSC R425 → NAICS

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