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Department of Homeland Security NAICS 541330 and PSC R499 contractors in Virginia

Engineering Services. SUPPORT- PROFESSIONAL: OTHER. Deepest cross-filter overlap.

Virginia · Department of Homeland Security

Last updated: April 17, 2026

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$146,994,019,990

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Visible recipients tied to Department of Homeland Security, Virginia, NAICS 541330, and PSC R499

Ecs Federal, LLC

Fairfax, VA

Fairfax, VA | 401 awards | Top agency Department of Defense | NAICS 541512

$1,325,529,149

Lmi Consulting, LLC

Tysons Corner, VA

Tysons Corner, VA | 256 awards | Top agency Department of Defense | NAICS 541330

$1,874,992,908

Aecom Recovery

Arlington, VA

Arlington, VA | 5 awards | Top agency Department of Homeland Security | NAICS 541330

$449,781,571

Mantech Mission, Cyber And Technology Solutions, Inc.

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541690

$241,422,834

Caci Nss, LLC

Reston, VA

Reston, VA | 109 awards | Top agency Department of Defense | NAICS 541519

$4,697,723,396

Systems Planning And Analysis, Inc.

Alexandria, VA

Alexandria, VA | 238 awards | Top agency Department of Defense | NAICS 541330

$1,927,751,612

Noblis, Inc.

Reston, VA

Reston, VA | 372 awards | Top agency Department of Transportation | NAICS 541330

$2,282,438,746

Credence Management Solutions Limited Liability Company

Mclean, VA

Mclean, VA | 222 awards | Top agency Department of Defense | NAICS 541330

$2,054,049,790

Peraton Technology Services Inc.

Chantilly, VA

Chantilly, VA | 259 awards | Top agency General Services Administration | NAICS 541330

$1,452,251,521

Avantus Federal LLC

Mc Lean, VA

Mc Lean, VA | 95 awards | Top agency Department of Defense | NAICS 541330

$837,511,707

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