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The Largest Defense Contractors

Updated

In the 12 months to Oct 19, 2026, the Department of Defense obligated $388.3 billion in contracts. The largest defense contractors were Lockheed Martin Corporation ($49.8 billion), RTX Corporation ($29.1 billion) and The Boeing Company ($26.0 billion). The 10 largest took 43%; small businesses won 18%.

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$388.3Bin 12 months
43%to the top 10
18%to small businesses
8,784open bids today

Top 100 defense contractors, last 12 months

  1. Lockheed Martin Corporation $49.8 billion · 12.8%
  2. RTX Corporation $29.1 billion · 7.5%
  3. The Boeing Company $26.0 billion · 6.7%
  4. General Dynamics Corporation $23.1 billion · 5.9%
  5. Northrop Grumman Corporation $11.0 billion · 2.8%
  6. Huntington Ingalls Industries $7.8 billion · 2.0%
  7. Amerisourcebergen Drug Corp $6.2 billion · 1.6%
  8. Triwest Healthcare Alliance Corp $5.3 billion · 1.4%
  9. Humana Government Business Inc $5.1 billion · 1.3%
  10. Atlantic Diving Supply, Inc. $4.6 billion · 1.2%
  11. BAE Systems $4.6 billion · 1.2%
  12. L3Harris Technologies $3.9 billion · 1.0%
  13. Leidos $3.0 billion · 0.8%
  14. Sierra Nevada Company, LLC $2.5 billion · 0.6%
  15. Amentum $2.4 billion · 0.6%
  16. Fluor Marine Propulsion, LLC $2.3 billion · 0.6%
  17. Tote Services, LLC $2.3 billion · 0.6%
  18. Space Exploration Technologies Corp. $2.2 billion · 0.6%
  19. Bechtel Plant Machinery, Inc. $2.2 billion · 0.6%
  20. Bell Textron Inc $2.0 billion · 0.5%
  21. GE Aerospace $2.0 billion · 0.5%
  22. Thalle Construction Co Inc $1.9 billion · 0.5%
  23. CACI $1.9 billion · 0.5%
  24. Booz Allen Hamilton $1.9 billion · 0.5%
  25. W S Darley & Co $1.7 billion · 0.4%
  26. The Johns Hopkins University Applied Physics Laboratory LLC $1.6 billion · 0.4%
  27. SAIC $1.5 billion · 0.4%
  28. General Atomics Aeronautical Systems, Inc. $1.5 billion · 0.4%
  29. Bell Boeing Joint Project Office $1.4 billion · 0.4%
  30. Massachusetts Institute Of Technology $1.4 billion · 0.4%
  31. Barnard Construction Company, Incorporated $1.3 billion · 0.3%
  32. Palantir USG Inc $1.3 billion · 0.3%
  33. KBR $1.3 billion · 0.3%
  34. V2X Aerospace LLC $1.2 billion · 0.3%
  35. Dell Federal Systems L.P $1.2 billion · 0.3%
  36. Kongsberg Defence & Aerospace AS $1.1 billion · 0.3%
  37. The Mitre Corporation $1.1 billion · 0.3%
  38. Dynetics, Inc. $1.1 billion · 0.3%
  39. Ferrovial Construccion PR, LLC $1.1 billion · 0.3%
  40. V2X Systems LLC $1.0 billion · 0.3%
  41. Rolls-Royce Corporation $1.0 billion · 0.3%
  42. Carahsoft Technology Corp $985.2 million · 0.3%
  43. The Aerospace Corporation $940.1 million · 0.2%
  44. BL Harbert International LLC $930.3 million · 0.2%
  45. Canadian Commercial Corporation $844.7 million · 0.2%
  46. M1 Support Services, L.P. $828.8 million · 0.2%
  47. Oshkosh Defense LLC $820.4 million · 0.2%
  48. Dell Marketing L.P. $817.8 million · 0.2%
  49. Motor OIL (Hellas) Corinth Refineries S.A. $781.6 million · 0.2%
  50. Walsh Federal LLC $736.6 million · 0.2%
  51. Black Construction-Tutor Perini JV $710.1 million · 0.2%
  52. Deloitte $698.9 million · 0.2%
  53. Serco Inc $678.9 million · 0.2%
  54. Vigor Marine LLC $670.8 million · 0.2%
  55. M. A. Mortenson Company $665.4 million · 0.2%
  56. Flightsafety Defense Corporation $660.9 million · 0.2%
  57. Phillips 66 Company $644.8 million · 0.2%
  58. Anduril Industries, Inc. $638.0 million · 0.2%
  59. Supplycore LLC $628.0 million · 0.2%
  60. The Charles Stark Draper Laboratory, Inc. $608.3 million · 0.2%
  61. Marathon Petroleum Company LP $604.5 million · 0.2%
  62. Accenture Federal Services $602.0 million · 0.2%
  63. Evernorth Federal Services Inc $593.0 million · 0.2%
  64. Torch Technologies Inc $576.3 million · 0.1%
  65. Asrc Federal Facilities Logistics, LLC $570.1 million · 0.1%
  66. Aerovironment, Inc $568.4 million · 0.1%
  67. S-Oil Corporation $526.0 million · 0.1%
  68. NAN Inc $500.4 million · 0.1%
  69. Honeywell International Inc. $499.5 million · 0.1%
  70. Valero Marketing And Supply Co $493.7 million · 0.1%
  71. Ram-System Gmbh $487.5 million · 0.1%
  72. Parsons Government Services Inc. $484.5 million · 0.1%
  73. The Pennsylvania State University $482.4 million · 0.1%
  74. Fairwinds Technologies LLC $475.3 million · 0.1%
  75. Blueforge Alliance $472.7 million · 0.1%
  76. Defense Systems And Solutions $469.7 million · 0.1%
  77. Clark Construction Group LLC $468.9 million · 0.1%
  78. BP Products North America Inc. $463.1 million · 0.1%
  79. Odyssey Systems Consulting Group, Ltd. $461.7 million · 0.1%
  80. Glencore Ltd. $450.6 million · 0.1%
  81. Metro Machine Corp. $440.4 million · 0.1%
  82. The Johns Hopkins Medical Services Corporation $436.1 million · 0.1%
  83. Rockwell Collins, Inc. $435.4 million · 0.1%
  84. General Atomics $427.4 million · 0.1%
  85. Pittman-Sealevel, L.L.C. $419.7 million · 0.1%
  86. Peraton $415.6 million · 0.1%
  87. Northstar Maritime Dismantlement Services, LLC $415.5 million · 0.1%
  88. Microsoft Corporation $412.0 million · 0.1%
  89. Amazon WEB Services, Inc. $411.9 million · 0.1%
  90. Chevron USA Inc. $398.0 million · 0.1%
  91. Jt4 LLC $397.9 million · 0.1%
  92. Georgia Tech Applied Research Corp $395.5 million · 0.1%
  93. Systems Planning And Analysis, Inc. $389.9 million · 0.1%
  94. BP OIL International Limited $379.1 million · 0.1%
  95. Thalle - Bauer LLC $379.0 million · 0.1%
  96. Martins Point Health Care Inc $376.8 million · 0.1%
  97. Beyond NEW Horizons, LLC $366.3 million · 0.1%
  98. Crowley Government Services, Inc. $365.6 million · 0.1%
  99. World Wide Technology LLC $361.1 million · 0.1%
  100. Atlas AIR, Inc. $359.7 million · 0.1%

Free data: download this table (CSV). Licensed CC BY 4.0: reuse it freely with a link to this page.

Where the defense money goes

  1. Department of the Navy $129.6 billion · 33%
  2. Department of the Army $83.1 billion · 21%
  3. Department of the Air Force $83.0 billion · 21%
  4. Defense Logistics Agency $46.3 billion · 12%
  5. Defense Health Agency $16.0 billion · 4%
  6. Missile Defense Agency $11.5 billion · 3%
  7. Defense Information Systems Agency $5.1 billion · 1%
  8. U.S. Special Operations Command $3.7 billion · 1%
  9. USTRANSCOM $2.3 billion · 1%
  10. Washington Headquarters Services $1.9 billion · 0%

Open bids from the services: DLA, Navy, Army, Air Force, DARPA.

How this list is made

From USAspending.gov's public award data, read Oct 19, 2026: contract obligations in the last 12 months by the Department of Defense. A company's registrations under its own name are added together, and the divisions of the largest groups count under the group (Electric Boat under General Dynamics, Raytheon under RTX). Obligations include changes to older contracts. Updated every week. See also the 100 largest government contractors across all agencies.

Questions

Who are the largest defense contractors?

Lockheed Martin Corporation ($49.8 billion), RTX Corporation ($29.1 billion) and The Boeing Company ($26.0 billion), by contract obligations in the 12 months to Oct 19, 2026.

How much goes to small businesses?

$71.2 billion, 18% of $388.3 billion, by USAspending.gov's business-size tags.