Department of Justice NAICS 541330 contractors

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

Agency: Department of Justice

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$59,647,895,686

Visible recipients tied to Department of Justice and NAICS 541330

Mantech Mission, Cyber And Technology Solutions, Inc.

Fairfax, VA

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

$87,646,060

Pae Government Services, Inc.

Chantilly, VA

Chantilly, VA | 943 awards | Top agency Department of State | NAICS 561210

$595,486,483

M. C. Dean, Inc.

Tysons, VA

Tysons, VA | 1,299 awards | Top agency Department of Defense | NAICS 541330

$1,574,954,186

Credence Management Solutions Limited Liability Company

Mclean, VA

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

$1,809,633,334

Dlt Solutions, LLC

Herndon, VA

Herndon, VA | 614 awards | Top agency Department of Defense | NAICS 541519

$95,197,591

Caci Technologies, LLC

Chantilly, VA

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

$7,991,710,259

Arcticom, LLC

Anchorage, AK

Anchorage, AK | 198 awards | Top agency Department of Defense | NAICS 541512

$70,704,702

Peraton Technology Services Inc.

Chantilly, VA

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

$843,327,747

Avantus Federal LLC

Mc Lean, VA

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

$554,074,460

American Systems Corporation

Mclean, VA

Mclean, VA | 295 awards | Top agency Department of Defense | NAICS 541330

$786,859,951

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