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PSC AD61 federal contractors, buyers, and awards

R&D- DEFENSE OTHER: CONSTRUCTION (BASIC RESEARCH). Use this PSC page to review visible contractors, buyer overlap, and award concentration in this product or service lane.

Category code: AD61

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,735,675,839

Buyer overlap

Top recipients

Recipients active in this PSC lane

Parsons Government Services Inc.

Centreville, VA

Top buyer: Department of DefenseRecent award: 2026-04-01

$1,683,802,991

Chickasaw Nation

Ada, OK

Top buyer: Department of Health and Human ServicesRecent award: 2026-02-20

$13,540,078

Mcc Construction Corporation

Lakewood, CO

Top buyer: General Services AdministrationRecent award: 2015-02-13

$7,454,913

Ahtna Government Services CORP

West Sacramento, CA

Top buyer: Department of EnergyRecent award: 2024-09-27

$17,337,779

Chickasaw Nation Industries, INC

Norman, OK

Top buyer: Department of DefenseRecent award: 2025-09-15

$13,540,078

Browse by dimension

State, agency, and industry paths

States

Virginia

1 recipients · $913,379,435

Oklahoma

2 recipients · $623,201,176

Colorado

1 recipients · $119,252,138

California

1 recipients · $68,304,937

Agencies

Department of Defense

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Department of Health and Human Services

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General Services Administration

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Department of Energy

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NAICS

NAICS 236210

2 recipients · $2,522,013,069

NAICS 236220

2 recipients · $131,449,733

NAICS 541618

2 recipients · $29,226,610

NAICS 541513

2 recipients · $26,449,325

NAICS 541519

2 recipients · $13,710,184

NAICS 541611

2 recipients · $11,033,794

Explore rankings

Ranking paths for PSC AD61

Top Recipients Top Awards Top States Top NAICS Virginia view Department of Defense view Virginia + NAICS 236210 Department of Defense + NAICS 236210 Department of Defense top NAICS Virginia top NAICS Virginia + Department of Defense top PSC Virginia + Department of Defense + NAICS 236210

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