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Home/PSC R421

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PSC R421 federal contractors, buyers, and awards

TECHNICAL ASSISTANCE. Use this PSC page to review visible contractors, buyer overlap, and award concentration in this product or service lane.

Category code: R421

Last updated: April 17, 2026

Visible recipients

13

Mapped obligations

$1,479,959,002

Buyer overlap

5

Top recipients

Recipients active in this PSC lane

Jones Lang Lasalle Americas, I

Aurora, CO

Top buyer: General Services AdministrationRecent award: 2008-01-01

Peraton Aerospace & Defense Inc.

Huntsville, AL

Top buyer: Department of DefenseRecent award: 2022-08-01

Global Evaluation & Applied Research Solutions (gears), Inc.

Atlanta, GA

Top buyer: Department of Health and Human ServicesRecent award: 2024-01-17

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State, agency, and industry paths

States

Virginia

3 recipients · $5,941,860,829

Alaska

1 recipients · $100,305,696

California

1 recipients · $81,627,935

Maryland

1 recipients · $51,361,037

District of Columbia

1 recipients · $31,315,334

Massachusetts

2 recipients · $20,996,608

Agencies

Department of Defense

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Department of Health and Human Services

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Environmental Protection Agency

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Agency for International Development

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General Services Administration

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NAICS

NAICS 541990

7 recipients · $3,370,999,470

NAICS 541611

9 recipients · $2,864,447,060

NAICS 541511

2 recipients · $2,099,935,266

NAICS 541712

2 recipients · $1,037,479,575

NAICS 541690

5 recipients · $494,300,845

NAICS 561210

2 recipients · $473,261,748

Explore rankings

Ranking paths for PSC R421

Top Recipients Top Awards Top States Top NAICS Virginia view Department of Defense view Virginia + NAICS 541990 Department of Defense + NAICS 541990 Department of Defense top NAICS Virginia top NAICS Virginia + Department of Defense top PSC Virginia + Department of Defense + NAICS 541990

Buyer overlap

Connected agencies

Department of Defense

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Department of Health and Human Services

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Environmental Protection Agency

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Agency for International Development

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General Services Administration

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Public service-code layer

PSC pages summarize service-code concentration from the synced AwardRegistry recipient layer.

Freshness signal

Last updated: April 17, 2026

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AwardRegistry is an independent lookup product and is not affiliated with or endorsed by the U.S. government.

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