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Top Federal Contractors by Industry (FY2025)

The largest federal contract industries in FY2025, with the largest contractor in each.

Industries

Industry (NAICS)FY2025 contractsLargest contractor
Aircraft Manufacturing (336411)$61.2 billionLockheed Martin Corporation
Engineering Services (541330)$51.7 billionElectric Boat Corporation
Direct Health and Medical Insurance Carriers (524114)$47.6 billionOptum Public Sector Solutions, Inc.
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) (541715)$46.4 billionFluor Marine Propulsion, LLC
Ship Building and Repairing (336611)$37.2 billionElectric Boat Corporation
Facilities Support Services (561210)$37.1 billionNational Technology & Engineering Solutions of Sandia, LLC
Guided Missile and Space Vehicle Manufacturing (336414)$33.2 billionRaytheon Company
Computer Systems Design Services (541512)$31.7 billionAccenture Federal Services LLC
Commercial and Institutional Building Construction (236220)$30.6 billionBccg A Joint Venture
Other Computer Related Services (541519)$24.9 billionFcn, Inc.
Other Aircraft Parts and Auxiliary Equipment Manufacturing (336413)$19.8 billionLockheed Martin Corporation
Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511)$18.4 billionRaytheon Company
Pharmaceutical Preparation Manufacturing (325412)$13.1 billionMckesson Corporation
Aircraft Engine and Engine Parts Manufacturing (336412)$12.0 billionRtx Corporation
All Other Professional, Scientific, and Technical Services (541990)$11.9 billionBattelle Energy Alliance, LLC
Administrative Management and General Management Consulting Services (541611)$11.3 billionChemonics International, Inc.
Other Heavy and Civil Engineering Construction (237990)$10.3 billionDragados/hawaiian Dredging/orion JV
Custom Computer Programming Services (541511)$10.3 billionGeneral Dynamics Information Technology, Inc.
Ammunition (except Small Arms) Manufacturing (332993)$9.1 billionThe Boeing Company
Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) (541712)$8.8 billionMassachusetts Institute of Technology
Research and Development in the Physical, Engineering, and Life Sciences (541710)$8.6 billionLawrence Livermore National Security, LLC
Offices of Physicians (except Mental Health Specialists) (621111)$8.5 billionQtc Medical Services INC
Petroleum Refineries (324110)$8.3 billionValero Marketing and Supply Co
Other Support Activities for Air Transportation (488190)$7.4 billionAmentum Services, Inc.
Remediation Services (562910)$6.5 billionSavannah River Mission Completion, LLC
Military Armored Vehicle, Tank, and Tank Component Manufacturing (336992)$6.5 billionBAE Systems Land & Armaments L.p.
Security Guards and Patrol Services (561612)$6.0 billionParagon Systems INC
Software Publishers (511210)$6.0 billionDell Marketing L.p.
Medicinal and Botanical Manufacturing (325411)$5.0 billionAmerisourcebergen Drug Corp
Service Establishment Equipment and Supplies Merchant Wholesalers (423850)$4.5 billionAtlantic Diving Supply, Inc.
Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing (334220)$4.5 billionL3harris Technologies, Inc.
All Other Miscellaneous Manufacturing (339999)$4.3 billionAtlantic Diving Supply, Inc.
Other Waste Collection (562119)$4.0 billionAshbritt INC
Nonscheduled Chartered Freight Air Transportation (481212)$3.9 billionSpace Exploration Technologies Corp.
Computer Facilities Management Services (541513)$3.4 billionLeidos, Inc.
Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518210)$3.4 billionAmazon Web Services, Inc.
Deep Sea Freight Transportation (483111)$3.3 billionPatriot Contract Services, LLC
Electronic Computer Manufacturing (334111)$3.2 billionCountertrade Products, Inc.
Drugs and Druggists' Sundries Merchant Wholesalers (424210)$2.8 billionAmerisourcebergen Drug Corp
Other Communications Equipment Manufacturing (334290)$2.7 billionL3harris Global Communications, Inc.
Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing (336419)$2.5 billionRaytheon Company
Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers (423450)$2.5 billionCardinal Health 200, LLC
Power Boiler and Heat Exchanger Manufacturing (332410)$2.2 billionBechtel Plant Machinery, Inc.
Nonscheduled Chartered Passenger Air Transportation (481211)$2.2 billionAtlas Air, Inc.
Other Scientific and Technical Consulting Services (541690)$2.2 billionDomestic Awardees (undisclosed)
Wired Telecommunications Carriers (517110)$2.2 billionAT&T Enterprises, LLC
Process, Physical Distribution, and Logistics Consulting Services (541614)$2.0 billionDeployed Resources LLC
Truck Trailer Manufacturing (336212)$1.9 billionOshkosh Defense LLC
Hazardous Waste Treatment and Disposal (562211)$1.9 billionHanford Tank Waste Operations & Closure, LLC
Small Arms, Ordnance, and Ordnance Accessories Manufacturing (332994)$1.8 billionSig Sauer Inc.
All Other Support Services (561990)$1.8 billionLockheed Martin Corporation
Janitorial Services (561720)$1.8 billionSkookum Educational Programs
Explosives Manufacturing (325920)$1.6 billionCanadian Commercial Corporation
Surgical and Medical Instrument Manufacturing (339112)$1.6 billionMedline Industries, LP
Electronic and Precision Equipment Repair and Maintenance (811210)$1.6 billionTechflow, Inc.
Software Publishers (513210)$1.5 billionPalantir Usg INC
All Other Miscellaneous Food Manufacturing (311999)$1.5 billionUS Foods INC
Research and Development in Biotechnology (except Nanobiotechnology) (541714)$1.5 billionStart2 Group, Inc.
Nonferrous Metal (except Aluminum) Smelting and Refining (331410)$1.5 billionStonex Financial Ltd
Automobile Manufacturing (336111)$1.5 billionFord Motor Co
Other Electronic Component Manufacturing (334419)$1.5 billionFairwinds Technologies LLC
General Medical and Surgical Hospitals (622110)$1.5 billionNaphcare LLC
Other Electronic and Precision Equipment Repair and Maintenance (811219)$1.4 billionRaytheon Company
Food Service Contractors (722310)$1.4 billionSodexo Management Inc.
Other Activities Related To Credit Intermediation (522390)$1.4 billionNelnet Servicing LLC
Kidney Dialysis Centers (621492)$1.3 billionFresenius Medical Care Holdings INC
Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing (336415)$1.3 billionLockheed Martin Corporation
Satellite Telecommunications (517410)$1.3 billionSpace Exploration Technologies Corp.
Small Arms Ammunition Manufacturing (332992)$1.3 billionOlin Winchester LLC
Support Activities for Forestry (115310)$1.2 billionGrayback Forestry, Inc.
Surgical Appliance and Supplies Manufacturing (339113)$1.2 billionFirst Nation Group LLC
Highway, Street, and Bridge Construction (237310)$1.2 billionHead / Diaz 2022
Other Technical and Trade Schools (611519)$1.2 billionAdams and Associates INC
Industrial Building Construction (236210)$1.2 billionBechtel National, Inc.
Advertising Agencies (541810)$1.2 billionDdb Chicago Inc.
Environmental Consulting Services (541620)$1.1 billionWeston Solutions INC
Electric Power Distribution (221122)$1.1 billionForeign Utility Consolidated Reporting
Fruit and Vegetable Canning (311421)$1.1 billionSo-pak-co, INC
Construction Machinery Manufacturing (333120)$1.1 billionCaterpillar INC
Commercial and Service Industry Machinery Manufacturing (333310)$1.1 billionL3 Technologies, Inc.
Power and Communication Line and Related Structures Construction (237130)$1.1 billionCore Tech-hdcc-kajima LLC
Commercial Bakeries (311812)$1.1 billionGlobal Food Services Company
Telemarketing Bureaus and Other Contact Centers (561422)$1.1 billionMaximus Federal Services, Inc.
Offices of Certified Public Accountants (541211)$1.0 billionErnst & Young LLP
Plumbing, Heating, and Air-conditioning Contractors (238220)$1.0 billionJett's Specialty Contracting, LLC
Flight Training (611512)$986.2 millionLockheed Martin Corporation
Perishable Prepared Food Manufacturing (311991)$981.7 millionValiant Integrated Services LLC
Water and Sewer Line and Related Structures Construction (237110)$973.2 millionJacobs Project Management Co.
Nursing Care Facilities (skilled Nursing Facilities) (623110)$908.5 millionFannin County Hospital Authority
Temporary Help Services (561320)$883.2 millionLoyal Source Government Services LLC
All Other Telecommunications (517919)$873.2 millionPeraton Inc.
Analytical Laboratory Instrument Manufacturing (334516)$860.2 millionAbbott Laboratories Inc.
Irradiation Apparatus Manufacturing (334517)$856.7 millionSiemens Medical Solutions Usa, Inc.
Investigation and Personal Background Check Services (561611)$852.4 millionPeraton Risk Decision Inc.
Other Management Consulting Services (541618)$843.3 millionSuperior Health Quality Alliance INC
Couriers and Express Delivery Services (492110)$839.4 millionFederal Express Corporation
Bare Printed Circuit Board Manufacturing (334412)$839.2 millionDrs Network & Imaging Systems LLC
Colleges, Universities, and Professional Schools (611310)$834.8 millionThe Trustees of Princeton University

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Source and coverage

Source: USAspending.gov, the U.S. Treasury's public record of federal spending, retrieved 2026-11-01. Figures are contract obligations (award types A, B, C and D) for federal fiscal year 2025, October 2024 to September 2025. Covers the 100 largest NAICS codes by federal spending. This is federal money only. State, city and town contracts are not included. Obligations can be negative when earlier amounts are withdrawn, some classified work is not reported, and contractors that may be individuals are left out of the name lists, so a list is not a complete ranking of everyone paid. Pushbuild is not affiliated with any agency or company listed.