Department of Justice NAICS 541330 and PSC D399 contractors

Engineering Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Cross-code overlap under Department of Justice.

Department of Justice · NAICS 541330 · PSC D399

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$13,662,627,638

State overlap

Top recipients

Visible recipients in the Department of Justice overlap of NAICS 541330 and PSC D399

Mantech Advanced Systems International, Inc.

Herndon, VA

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

$4,625,623,615

Ecs Federal, LLC

Fairfax, VA

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

$1,298,414,601

Dlt Solutions, LLC

Herndon, VA

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

$405,652,736

Peraton Technology Services Inc.

Chantilly, VA

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

$978,743,828

Vsolvit LLC

Henderson, NV

Henderson, NV | 205 awards | Top agency Department of Defense | NAICS 541330

$485,596,635

Caci Enterprise Solutions, LLC

Chantilly, VA

Chantilly, VA | 11 awards | Top agency Department of Defense | NAICS 541512

$356,994,562

Tyto Athene, LLC

Reston, VA

Reston, VA | 77 awards | Top agency Department of Defense | NAICS 517110

$92,481,071

Collins Consulting INC

Schaumburg, IL

Schaumburg, IL | 5 awards | Top agency Department of Defense | NAICS 541511

$4,417,313

Arservices, Limited

Falls Church, VA

Falls Church, VA | 33 awards | Top agency Department of Defense | NAICS 541330

$147,664,578

Spry Methods, Inc.

Mc Lean, VA

Mc Lean, VA | 47 awards | Top agency Department of Defense | NAICS 541512

$37,784,563

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