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PSC B503 federal contractors, buyers, and awards

SPECIAL STUDIES/ANALYSIS- ARCHEOLOGICAL/PALEONTOLOGICAL. Use this PSC page to review visible contractors, buyer overlap, and award concentration in this product or service lane.

Category code: B503

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$10,450,294

Buyer overlap

Top recipients

Recipients active in this PSC lane

Confederated Tribes Of Colville Reservation

Nespelem, WA

Top buyer: Department of the InteriorRecent award: 2025-10-15

$4,352,636

Pueblo Of Acoma

Pueblo Of Acoma, NM

Top buyer: Department of TransportationRecent award: 2025-05-06

$460,507

Yakama Nation

Toppenish, WA

Top buyer: Department of the InteriorRecent award: 2025-10-01

$943,801

Turtle Mountain Band Of Chippewa Indians

Belcourt, ND

Top buyer: Department of the InteriorRecent award: 2025-03-17

$36,509

Spokane Tribe Of The Spokane Reservation

Wellpinit, WA

Top buyer: Department of the InteriorRecent award: 2024-10-01

$816,278

Hopi Tribe

Kykotsmovi Village, AZ

Top buyer: Department of the InteriorRecent award: 2024-10-01

$1,408,004

Knik Tribe

Palmer, AK

Top buyer: Department of the InteriorRecent award: 2019-08-29

$79,530

Penobscot Indian Nation

Indian Island, ME

Top buyer: Department of Health and Human ServicesRecent award: 2023-05-01

$24,400

Jicarilla Apache Nation

Dulce, NM

Top buyer: Department of the InteriorRecent award: 2024-09-13

$552,840

The Klamath Tribes

Chiloquin, OR

Top buyer: Department of the InteriorRecent award: 2022-04-01

$3,611

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State, agency, and industry paths

States

Washington

3 recipients · $227,709,225

New Mexico

3 recipients · $139,897,646

North Dakota

2 recipients · $53,455,039

Arizona

1 recipients · $32,949,031

Alaska

1 recipients · $19,249,562

Maine

1 recipients · $19,231,474

Agencies

Department of the Interior

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Department of Transportation

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Department of Health and Human Services

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Department of the Treasury

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NAICS

NAICS 541720

10 recipients · $7,257,923

NAICS 921150

7 recipients · $6,328,504

NAICS 561612

2 recipients · $3,934,079

NAICS 541620

6 recipients · $2,711,544

NAICS 813311

6 recipients · $2,242,197

NAICS 237110

2 recipients · $1,598,608

Explore rankings

Ranking paths for PSC B503

Top Recipients Top Awards Top States Top NAICS Washington view Department of the Interior view Washington + NAICS 541720 Department of the Interior + NAICS 541720 Department of the Interior top NAICS Washington top NAICS Washington + Department of the Interior top PSC Washington + Department of the Interior + NAICS 541720

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