Home/Department of the Interior

Agency profile

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

131

Recipient

Cheyenne River Sioux Tribe

Eagle Butte, SD | 168 awards | Top agency Department of the Interior | NAICS 562111

$357,308,734

132

Recipient

Yakama Nation

Toppenish, WA | 20 awards | Top agency Department of the Interior | NAICS 541990

$435,825,398

133

Recipient

Tunista Construction LLC

Tacoma, WA | 5 awards | Top agency Department of Defense | NAICS 236220

$6,274,427

134

Recipient

Crow Tribe Of Indians

Crow Agency, MT | 189 awards | Top agency Department of the Interior | NAICS 813311

$228,809,582

135

Recipient

Shoshone Bannock Tribes

Fort Hall, ID | 169 awards | Top agency Department of the Interior | NAICS 813311

$277,991,189

136

Recipient

Moapa Band Paiute

Moapa, NV | 20 awards | Top agency Department of Health and Human Services | NAICS 813311

$7,645,899

137

Recipient

Fort Peck Assiniboine & Sioux Tribes

Poplar, MT | 186 awards | Top agency Department of the Interior | NAICS 531120

$261,096,322

138

Recipient

The Lewin Group, Inc.

La Crosse, WI | 82 awards | Top agency Department of Health and Human Services | NAICS 541720

$6,393,452

139

Recipient

Turtle Mountain Band Of Chippewa Indians

Belcourt, ND | 162 awards | Top agency Department of the Interior | NAICS 813311

$315,161,303

140

Recipient

Spirit Lake Tribe

Fort Totten, ND | 128 awards | Top agency Department of Health and Human Services | NAICS 813311

$200,334,151

Page 14 of 44Prev 1...13 14 15...44 Next

Browse by dimension

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

Agency profile

Loading buyer-level contractor and category paths