Department of Defense NAICS 541330 contractors

Engineering Services. Contractors in this NAICS lane under Department of Defense.

Agency: Department of Defense

Last updated: April 19, 2026

Visible recipients

391

Mapped obligations

$384,687,047,787

Visible recipients tied to Department of Defense and NAICS 541330

L3harris Technologies Integrated Systems L.p.

Greenville, TX

Greenville, TX | 403 awards | Top agency Department of Defense | NAICS 336413

$3,064,983,293

Chugach Industries, Inc.

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 561210

$42,475,347

Northrop Grumman Systems Corporation

Melbourne, FL

Melbourne, FL | 713 awards | Top agency Department of Defense | NAICS 336411

$31,119,012,464

Serco INC

Herndon, VA

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

$4,350,198,838

Bae Systems Land And Armaments L.p.

Sterling Heights, MI

Sterling Heights, MI | 130 awards | Top agency Department of Defense | NAICS 336992

$603,225,021

The Mitre Corporation

Mc Lean, VA

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

$6,784,155,610

Bell Boeing Joint Project Office

Amarillo, TX

Amarillo, TX | 2,251 awards | Top agency Department of Defense | NAICS 336411

$1,008,417,557

Salient Crgt, Inc.

Fairfax, VA

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

$165,156,762

Raytheon/lockheed Martin Javelin Jv

Tucson, AZ

Tucson, AZ | 70 awards | Top agency Department of Defense | NAICS 336414

$379,226,038

Parsons Government Services Inc.

Centreville, VA

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

$2,491,947,112

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