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Department of Homeland Security contractors in California

Use this state-scoped buyer page to see which visible federal contractors sit closest to Department of Homeland Security inside California.

State: California
Last updated: April 6, 2026

Visible recipients

13

Mapped obligations

$4,981,820,469

Top NAICS links

4

Top recipients

Visible recipients tied to Department of Homeland Security in California

General Atomics Aeronautical Systems, Inc.

Poway, CA

General Atomics Aeronautical Systems, Inc. is a federal category business profile based in Poway, CA. The current public data layer shows $1,349,256,370 in visible federal obligations across 452 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336411 (Aircraft Manufacturing). The profile also shows meaningful product and service activity in PSC 1550.

$975,092,900

Palantir Usg INC

Palo Alto, CA

Palantir Usg INC is a federal category business profile based in Palo Alto, CA. The current public data layer shows $882,837,485 in visible federal obligations across 147 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 513210 (Software Publishers). The profile also shows meaningful product and service activity in PSC DA10.

$51,683,784

Granite Construction Company

Watsonville, CA

Granite Construction Company is a federal category business profile based in Watsonville, CA. The current public data layer shows $684,943,035 in visible federal obligations across 56 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237310 (Highway, Street, and Bridge Construction). The profile also shows meaningful product and service activity in PSC Y1LB.

$691,073,428

Bae Systems San Diego Ship Repair Inc.

San Diego, CA

Bae Systems San Diego Ship Repair Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $421,822,206 in visible federal obligations across 204 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336611 (Ship Building and Repairing). The profile also shows meaningful product and service activity in PSC J999.

$191,802

General Atomics

San Diego, CA

General Atomics is a federal category business profile based in San Diego, CA. The current public data layer shows $268,695,687 in visible federal obligations across 243 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336411 (Aircraft Manufacturing). The profile also shows meaningful product and service activity in PSC 1550.

$975,722,019

Techflow, Inc.

San Diego, CA

Techflow, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $245,142,820 in visible federal obligations across 35 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 811219 (Other Electronic and Precision Equipment Repair and Maintenance). The profile also shows meaningful product and service activity in PSC J063.

$1,554,396,631

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.

$0

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.

$0

Gilbane Federal

Concord, CA

Gilbane Federal is a federal category business profile based in Concord, CA. The current public data layer shows $33,832,334 in visible federal obligations across 58 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y1AZ.

$269,827,796

General Atomics Electronic Systems, Inc.

San Diego, CA

General Atomics Electronic Systems, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $18,128,783 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 334516 (Analytical Laboratory Instrument Manufacturing). The profile also shows meaningful product and service activity in PSC 6640.

$3,081
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