State + agency + NAICS + PSC page

Department of Homeland Security NAICS 541330 and PSC R425 contractors in California

Engineering Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.

California · Department of Homeland Security
Last updated: April 6, 2026

Visible recipients

3

Mapped obligations

$1,616,482,674

Cross-code depth

4 filters

Top recipients

Visible recipients tied to Department of Homeland Security, California, NAICS 541330, and PSC R425

L3harris Interstate Electronics Corporation

Yorba Linda, CA

L3harris Interstate Electronics Corporation is a federal category business profile based in Yorba Linda, CA. The current public data layer shows $138,604,778 in visible federal obligations across 40 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC H914.

$1,520,146,416

General Atomics Systems Integration, LLC

San Diego, CA

General Atomics Systems Integration, LLC is a federal category business profile based in San Diego, CA. The current public data layer shows $97,803,331 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC B599.

$49,674,056

Dt Professional Services, LLC

Moorpark, CA

Dt Professional Services, LLC is a federal 8a program participant profile based in Moorpark, CA. The current public data layer shows $13,423,477 in visible federal obligations across 59 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$46,662,202