Federal Contractor Directory
Browse federal contractor profiles built from USASpending.gov and SAM.gov data. Each profile includes lifetime award history, top agencies, NAICS codes, small business certifications, geographic footprint, and competitor analysis. Use the search bar to find a specific contractor by name, UEI, or CAGE code.
Federal Contractors by Total Obligations
Showing 101–150 of 74,406 contractors, ranked by total obligated amount.
| Rank | Contractor | Headquarters | Total Obligated |
|---|---|---|---|
| 101 | Mantech Advanced Systems International, Inc. | Herndon, VA | $1.0B |
| 102 | OLIN Winchester LLC | East Alton, IL | $1.0B |
| 103 | Mission Support & Test Services LLC | Olathe, KS | $994.6M |
| 104 | Glaxosmithkline, LLC | Research Triangle Park, NC | $980.5M |
| 105 | Peraton Enterprise Solutions LLC | Herndon, VA | $979.8M |
| 106 | M1 Support Services, L.P. | Denton, TX | $969.0M |
| 107 | Noble Supply & Logistics, LLC | Boston, MA | $962.7M |
| 108 | Minburn Technology Group, LLC | Great Falls, VA | $945.4M |
| 109 | BL Harbert International LLC | Birmingham, AL | $938.2M |
| 110 | Raytheon/lockheed Martin Javelin JV | Tucson, AZ | $928.4M |
| 111 | Harris Corporation | Pottstown, PA | $918.0M |
| 112 | BAE Systems Land and Armaments L.P. | Sterling Heights, MI | $911.1M |
| 113 | Thundercat Technology, LLC | Reston, VA | $909.1M |
| 114 | CACI NSS, LLC | Chantilly, VA | $902.5M |
| 115 | Loyal Source Government Services LLC | Orlando, FL | $899.8M |
| 116 | Alliance for Energy Innovation, LLC | Lakewood, CO | $895.0M |
| 117 | ASRC Federal Facilities Logistics, LLC | Fairfield, NJ | $884.4M |
| 118 | General Dynamics Ordnance and Tactical Systems, Inc. | Saint Petersburg, FL | $881.3M |
| 119 | Ministry of Defense | Shinjuku-ku | $863.5M |
| 120 | Kongsberg Defence & Aerospace as | Kongsberg | $847.2M |
| 121 | KBR Services, LLC | Houston, TX | $847.0M |
| 122 | Four Points Technology, L.L.C. | Herndon, VA | $844.9M |
| 123 | Brookhaven Science Associates LLC | Upton, NY | $833.8M |
| 124 | Blue Origin Washington, LLC | KENT, WA | $829.0M |
| 125 | V3Gate, LLC | Colorado Springs, CO | $822.0M |
| 126 | Supplycore LLC | Rockford, IL | $818.3M |
| 127 | Salient CRGT, Inc. | Fairfax, VA | $816.1M |
| 128 | Austal USA, LLC | Mobile, AL | $807.1M |
| 129 | L3Harris Global Communications, Inc. | Rochester, NY | $803.2M |
| 130 | Hanford Tank Waste Operations & Closure, LLC | Lynchburg, VA | $796.0M |
| 131 | The GEO Group, Inc. | BOCA Raton, FL | $791.5M |
| 132 | General Dynamics-ots, Inc. | Colchester, VT | $783.7M |
| 133 | Barnard Spencer Joint Venture | Bozeman, MT | $778.4M |
| 134 | Atlas Air, Inc. | White Plains, NY | $759.4M |
| 135 | Palantir USG Inc | PALO ALTO, CA | $744.5M |
| 136 | The Leland Stanford Junior University | Stanford, CA | $741.4M |
| 137 | US Foods Inc | Oklahoma City, OK | $704.6M |
| 138 | DRS Network & Imaging Systems LLC | Melbourne, FL | $703.5M |
| 139 | TCOM, L.P. | Columbia, MD | $700.7M |
| 140 | Pfizer Inc | New YORK, NY | $699.8M |
| 141 | Torch Technologies Inc | Huntsville, AL | $686.7M |
| 142 | Dynetics, Inc. | Huntsville, AL | $678.7M |
| 143 | Aevex Aerospace, LLC | Solana Beach, CA | $676.9M |
| 144 | Defense Systems and Solutions | Huntsville, AL | $673.1M |
| 145 | Deloitte & Touche LLP | Arlington, VA | $668.9M |
| 146 | BAE Systems SAN Diego Ship Repair Inc. | SAN Diego, CA | $662.9M |
| 147 | CSI Aviation, Inc | Albuquerque, NM | $660.6M |
| 148 | Xator LLC | Reston, VA | $645.1M |
| 149 | Phillips 66 Company | Houston, TX | $640.4M |
| 150 | Kiewit Infrastructure West CO. | Vancouver, WA | $638.7M |
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How are contractor profiles generated?
Each contractor profile is built by combining data from two federal sources: USASpending.gov (award history, agency relationships, NAICS codes) and SAM.gov (entity registration, certifications, contact information). Profiles are refreshed monthly.
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What is a UEI number?
The Unique Entity Identifier (UEI) is a 12-character alphanumeric code assigned by SAM.gov to every entity registered to do business with the federal government. It replaced the DUNS number in April 2022.
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How do I find a specific contractor?
Use the search bar above to search by company name, UEI, or CAGE code. You can also browse the ranked list or filter by NAICS code, state, or small business certification.
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What does 'Total Obligated' mean?
Total obligated represents the cumulative dollar amount the federal government has legally committed to pay a contractor across all awards. This includes the base contract value plus any modifications, options exercised, and funding increases.
Data sourced from USASpending.gov and SAM.gov . Federal contracting data is public domain.