State + agency + NAICS page

Department of Defense NAICS 237310 contractors in California

Highway, Street, and Bridge Construction. Use this deeper state-buyer-industry page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

California + Department of Defense
Last updated: April 8, 2026

Visible recipients

9

Mapped obligations

$1,197,368,535

Top PSC links

4

Top recipients

Visible recipients tied to Department of Defense, California, and NAICS 237310

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.

$934,530,435

Rq Construction, LLC

Carlsbad, CA

Rq Construction, LLC is a federal category business profile based in Carlsbad, CA. The current public data layer shows $348,957,024 in visible federal obligations across 120 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 Y1JZ.

$2,262,127

Harper Construction Company, Inc.

San Diego, CA

Harper Construction Company, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $277,967,049 in visible federal obligations across 51 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 Y1BZ.

$47,953,004

Marcon Engineering, INC

Escondido, CA

Marcon Engineering, INC is a federal category business profile based in Escondido, CA. The current public data layer shows $64,752,480 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z299.

$11,527,476

Ahtna-swcp Jv

Irvine, CA

Ahtna-swcp Jv is a federal alaskan native corporation owned firm profile based in Irvine, CA. The current public data layer shows $13,064,579 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 237310 (Highway, Street, and Bridge Construction). The profile also shows meaningful product and service activity in PSC Z2BD.

$52,829,019

Miller/watts Constructors-pave

Richmond, CA

Miller/watts Constructors-pave is a federal category business profile based in Richmond, CA. The current public data layer shows $10,062,430 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 237310 (Highway, Street, and Bridge Construction). The profile also shows meaningful product and service activity in PSC Z299.

$10,062,430

Tutor Perini Corporation

Sylmar, CA

Tutor Perini Corporation is a federal category business profile based in Sylmar, CA. The current public data layer shows $7,919,316 in visible federal obligations across 38 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 Y199.

$124,126,042

Ahtna Design-build INC

West Sacramento, CA

Ahtna Design-build INC is a federal 8a program participant profile based in West Sacramento, CA. The current public data layer shows $2,082,852 in visible federal obligations across 10 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 Y1JZ.

$3,121,942

Granite Construction Company Guam

Watsonville, CA

Granite Construction Company Guam is a federal category business profile based in Watsonville, CA. The current public data layer shows $100,483 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 237120 (Oil and Gas Pipeline and Related Structures Construction). The profile also shows meaningful product and service activity in PSC Y1GC.

$10,956,060