General Services Administration NAICS 541330 and PSC D399 contractors

Engineering Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Cross-code overlap under General Services Administration.

General Services Administration · NAICS 541330 · PSC D399

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$186,178,013,820

State overlap

Top recipients

Visible recipients in the General Services Administration 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

Chenega Federal Systems, LLC

Bethesda, MD

Bethesda, MD | 20 awards | Top agency Department of Defense | NAICS 541330

$321,576,663

Ecs Federal, LLC

Fairfax, VA

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

$1,298,414,601

Jacobs Technology Inc.

Huntsville, AL

Huntsville, AL | 5 awards | Top agency Department of Defense | NAICS 541511

$762,568,370

Caci Nss, LLC

Reston, VA

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

$3,878,461,540

Goldbelt Falcon LLC

Chesapeake, VA

Chesapeake, VA | 20 awards | Top agency Department of Defense | NAICS 811219

$52,568,608

Techflow, Inc.

San Diego, CA

San Diego, CA | 35 awards | Top agency Department of Homeland Security | NAICS 811219

$151,702,665

Network Security Systems Plus, INC

Mc Lean, VA

Mc Lean, VA | 6 awards | Top agency Department of Defense | NAICS 541512

$134,698,985

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

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