Department of Homeland Security NAICS 541330 and PSC AC65 contractors

Engineering Services. R&D- DEFENSE SYSTEM: ELECTRONICS/COMMUNICATION EQUIPMENT (OPERATIONAL SYSTEMS DEVELOPMENT). Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541330 · PSC AC65

Last updated: April 9, 2026

Visible recipients

Mapped obligations

$16,765,852,915

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541330 and PSC AC65

General Dynamics C4 Systems, Inc.

Scottsdale, AZ

Scottsdale, AZ | 5 awards | Top agency Department of Defense | NAICS 541330

$2,137,993,724

Bae Systems Technology Solutions & Services Inc.

Rockville, MD

Rockville, MD | 1,291 awards | Top agency Department of Defense | NAICS 541330

$13,418,557,500

Mantech Systems Engineering Corporation

Fairfax, VA

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

$1,209,301,691

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