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Contractors by state
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Federal contractors in California

1,362 federal prime contractors in California received $49.6B in prime contract obligations in the latest 12 months. The largest by obligations since FY2022 is Lawrence Livermore National Security, LLC, and the most common primary industries are Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology), Commercial and Institutional Building Construction, and Engineering Services.

Contractors 1,251–1,362 of 1,362

Ranked by prime contract obligations since FY2022. Open a profile for top agencies, recent awards, and contracts ending soon.

Federal contractors in California
ContractorPrimary NAICSLatest 12 moSince FY2022
General Atomics336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing$71K$11.5M
Montano Pipeline, Inc237310 Highway, Street, and Bridge Construction$8K$11.4M
MA Engineers, Inc.541330 Engineering Services$0$11.4M
Mercury Defense Systems, Inc.334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing$0$11.4M
Environmental Synectics, Inc541620 Environmental Consulting Services$1.5M$11.4M
Arc - Imperial Valley561720 Janitorial Services$2.4M$11.4M
Rubecon General Contracting, Inc236220 Commercial and Institutional Building Construction$662K$11.4M
Cytek Biosciences, Inc.334516 Analytical Laboratory Instrument Manufacturing$2.5M$11.4M
Alkemix Corporation541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$1.3M$11.4M
Tierra Data Inc541690 Other Scientific and Technical Consulting Services$971K$11.4M
Macauley Construction Inc237310 Highway, Street, and Bridge Construction$2.6M$11.4M
Shimadzu Precision Instruments, Inc.334517 Irradiation Apparatus Manufacturing$3.0M$11.4M
Sierra Wireless America, Inc541512 Computer Systems Design Services$2.3M$11.3M
Bay Medic Transportation Inc.621910 Ambulance Services$4.1M$11.3M
Mitek Analytics, Inc.513210 Software Publishers$0$11.3M
Cameron Energy Services Corp.334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables$2.3M$11.3M
Condor Pacific Industries, Inc.334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing$2.5M$11.3M
Primmune Therapeutics, Inc.541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$663K$11.3M
Aligos Therapeutics Inc541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$0$11.3M
Green Hills Software LLC513210 Software Publishers$724K$11.3M
Jilk Heavy Construction, Inc.237310 Highway, Street, and Bridge Construction$93K$11.2M
Tryfacta Inc621111 Offices of Physicians (except Mental Health Specialists)$9.7M$11.2M
MP Aero LLC334419 Other Electronic Component Manufacturing$2.7M$11.2M
Tudor Ranch, Inc.311991 Perishable Prepared Food Manufacturing$0$11.2M
KIM Gardner, Inc.561720 Janitorial Services−$6K$11.2M
AMS System Technology Company, LLC333999 All Other Miscellaneous General Purpose Machinery Manufacturing$2.5M$11.2M
Redding Air Service, Inc.481212 Nonscheduled Chartered Freight Air Transportation$2.5M$11.2M
American Textile Systems324110 Petroleum Refineries$757$11.2M
Metal Improvement Company, LLC541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$0$11.1M
Eaton Corporation339993$1.9M$11.1M
Eclypse International Corporation334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals$5.4M$11.1M
RBC Southwest Products, Inc.332991 Ball and Roller Bearing Manufacturing$4.9M$11.1M
Aosense, Inc.541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$1.2M$11.1M
Suntiff, LLC562991 Septic Tank and Related Services$6.3M$11.1M
Maxar Space Robotics LLC541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$951K$11.1M
Railroad Cleaners812332 Industrial Launderers$2.2M$11.1M
Meggitt Safety Systems Inc336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing$5.0M$11.1M
Quartus Engineering Incorporated541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$5.0M$11.0M
Rampcousa, Inc.339113 Surgical Appliance and Supplies Manufacturing$1.1M$11.0M
Coating Specialties, Inc336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing$2.2M$11.0M
Machina Labs Inc333517 Machine Tool Manufacturing$284K$11.0M
Iaccess Technologies Inc336411 Aircraft Manufacturing$0$10.9M
Bellingham Marine Industries Inc237310 Highway, Street, and Bridge Construction$10.9M$10.9M
Native American Health Center, Inc.621112 Offices of Physicians, Mental Health Specialists$2.3M$10.9M
KGB Media, LLC541910 Marketing Research and Public Opinion Polling$2.5M$10.9M
Cruxdcg LLC541611 Administrative Management and General Management Consulting Services$272K$10.9M
Masimo Corporation423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers$1.2M$10.9M
Tectus Corporation541713 Research and Development in Nanotechnology$1.4M$10.9M
Future Engineers LLC541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$2.5M$10.9M
Taranet, Inc.541330 Engineering Services$1.6M$10.9M
One Lambda, Inc.325413 In-vitro Diagnostic Substance Manufacturing$3.2M$10.9M
Frazier Aviation Inc336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing$2.6M$10.8M
Teledyne Controls, LLC511120 Periodical Publishers$1.6M$10.8M
Freeman Holdings of California, L.L.C324110 Petroleum Refineries$1.7M$10.8M
Labcon, North America339113 Surgical Appliance and Supplies Manufacturing$18K$10.8M
G. C. Micro Corporation541519 Other Computer Related Services$1.7M$10.8M
Crossroads Logistics LLC492110 Couriers and Express Delivery Services$3.0M$10.8M
Resource Environmental Services, LLC238910 Site Preparation Contractors$2.2M$10.8M
Thinkom Solutions, Inc.541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$2.2M$10.7M
Fifth Gait Technologies, Inc.541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$1.0M$10.7M
Brandywine Communications334519 Other Measuring and Controlling Device Manufacturing$1.0M$10.7M
MTM Business Systems332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing$659K$10.6M
Mccaslin & Associates, Architects, Inc541330 Engineering Services$2.3M$10.6M
Identiv, Inc.334290 Other Communications Equipment Manufacturing$2.3M$10.6M
JA Media Group LLC115310 Support Activities for Forestry$989K$10.6M
Sierra Northern Railway488210 Support Activities for Rail Transportation$1.7M$10.6M
Meridian Knowledge Solutions LLC541519 Other Computer Related Services$414K$10.6M
Spec-Built Systems, Inc.332322$831K$10.6M
Autonomous Defense Technologies Corp.541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$9.0M$10.6M
Harp Services LLC561990 All Other Support Services$4.1M$10.6M
Wiss Janney Elstner Associates Inc541310 Architectural Services$99K$10.5M
Photon Physics Services621399 Offices of All Other Miscellaneous Health Practitioners$953K$10.5M
Splay, Inc326199 All Other Plastics Product Manufacturing$501K$10.5M
ARD, Inc541611 Administrative Management and General Management Consulting Services$0$10.5M
Portillo Concrete Inc237310 Highway, Street, and Bridge Construction$0$10.5M
Arkham Technology Limited541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$1.6M$10.5M
Reach Power, Inc.541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$360K$10.5M
Legacy Aircraft Services, Inc335931 Current-carrying Wiring Device Manufacturing$1.4M$10.5M
Marine & Restaurant Fabricators, Inc.332322$1.1M$10.5M
Illumio, Inc.513210 Software Publishers$0$10.5M
AMS-JIG JV236220 Commercial and Institutional Building Construction$434K$10.4M
Mixmode Inc541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$0$10.4M
Wecoso, Inc.541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$193K$10.4M
Blackstone Consulting, Inc722310 Food Service Contractors$532K$10.4M
Soderberg Manufacturing Company, Inc.336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing$838K$10.3M
Ossur Americas, Inc.339113 Surgical Appliance and Supplies Manufacturing$2.0M$10.3M
Terra Solutions & Services Inc562910 Remediation Services−$25K$10.3M
AMD International Technologies LLC336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing$2.4M$10.3M
Bandak Aviation Inc332999 All Other Miscellaneous Fabricated Metal Product Manufacturing$1.3M$10.3M
Qubitekk, Inc.541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$100K$10.3M
Excel Concrete Construction, Inc.237310 Highway, Street, and Bridge Construction$0$10.3M
BIO-RAD Laboratories, Inc.334516 Analytical Laboratory Instrument Manufacturing$1.2M$10.3M
Sacramento Native American Health Center Inc621112 Offices of Physicians, Mental Health Specialists$2.1M$10.2M
Astra Space Operations, LLC481212 Nonscheduled Chartered Freight Air Transportation$0$10.2M
Keating Dental Arts, Inc.339116 Dental Laboratories$2.2M$10.2M
SAN Bernardino International Airport Authority324110 Petroleum Refineries$1.5M$10.2M
AECOM Technical Services, Inc.541330 Engineering Services$393K$10.2M
Interior Plus, Inc.236220 Commercial and Institutional Building Construction$0$10.2M
Realization Technologies, Inc.511210 Software Publishers$4.3M$10.2M
Objectsecurity LLC541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$580K$10.2M
Innovex-Errg Joint Venture562910 Remediation Services$1.4M$10.1M
Emendata LLC541990 All Other Professional, Scientific, and Technical Services$10.1M$10.1M
Flame Enterprises, Inc.335314 Relay and Industrial Control Manufacturing$2.4M$10.1M
Kokatat Inc315210 Cut and Sew Apparel Contractors$3.5M$10.1M
S & B, Inc.332722 Bolt, Nut, Screw, Rivet, and Washer Manufacturing$5.1M$10.1M
Umbra Lab, Inc541990 All Other Professional, Scientific, and Technical Services$2.0M$10.1M
Aviator Systems Inc.336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing$2.7M$10.1M
V & Z Enterprises Incorporated334310 Audio and Video Equipment Manufacturing$1.8M$10.1M
Meggitt North Hollywood Inc336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing$1.5M$10.1M
Actelion Pharmaceuticals US, Inc.325412 Pharmaceutical Preparation Manufacturing$768K$10.0M
Specular Theory Inc.611512 Flight Training$0$10.0M
Reliable Robotics Corporation541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$2.4M$10.0M

Prime contract obligations from USAspending.gov through Oct 5, 2026. Headquarters state comes from each contractor's most recent contract action. To search by name, UEI, or CAGE code, use the contractor directory.

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