Department of Defense NAICS 541330 contractors in Virginia

Engineering Services. Contractors in this state-buyer-industry overlap.

Virginia + Department of Defense

Last updated: April 17, 2026

Visible recipients

131

Mapped obligations

$151,161,540,225

Visible recipients tied to Department of Defense, Virginia, and NAICS 541330

Mantech Systems Engineering Corporation

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541330

$1,121,327,149

Serco INC

Herndon, VA

Herndon, VA | 1,016 awards | Top agency Department of Defense | NAICS 541330

$4,350,198,838

The Mitre Corporation

Mc Lean, VA

Mc Lean, VA | 880 awards | Top agency Department of Defense | NAICS 541990

$6,784,155,610

Salient Crgt, Inc.

Fairfax, VA

Fairfax, VA | 254 awards | Top agency General Services Administration | NAICS 541512

$165,156,762

Parsons Government Services Inc.

Centreville, VA

Centreville, VA | 598 awards | Top agency Department of Defense | NAICS 541712

$2,491,947,112

Mantech Advanced Systems International, Inc.

Herndon, VA

Herndon, VA | 683 awards | Top agency Department of Defense | NAICS 541330

$3,402,498,645

Caci Intelligence Solutions, LLC

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 541990

$105,425,422

Ecs Federal, LLC

Fairfax, VA

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

$895,064,357

Lmi Consulting, LLC

Tysons Corner, VA

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

$915,001,117

Modern Technology Solutions, Inc.

Alexandria, VA

Alexandria, VA | 285 awards | Top agency General Services Administration | NAICS 541712

$216,557,643

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