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Federal contractors in Professional, Scientific, and Technical Services (NAICS 54)

Every contractor below has declared a NAICS code in sector 54 in SAM.gov.

Federal contractors classified under NAICS sector 54, Professional, Scientific, and Technical Services, ranked by the obligations FPDS records for them in FY2026.

207,018 contractorsOpen the filtered vendor listAll industry sectors

Ranked by FY2026 obligations (provisional)

FY2026 obligations (Oct 2025–Sep 2026, provisional; DoD awards signed after Aug 14, 2026 not yet public) · as of Nov 12, 2026. Source: FPDS contract actions, net obligations by the fiscal year of the action.

  1. #1
    $12.1B
    RAYTHEON COMPANY
    TUCSON, AZ
    NAICS 541330
    234 awards and orders with FY2026 obligations
    UEI VTEWM5QSE598
  2. #2
    $6.6B
    BOOZ ALLEN HAMILTON INC
    McLean, VA
    NAICS 541512
    628 awards and orders with FY2026 obligations
    UEI JCBMLGPE6Z71
  3. #3
    $5.4B
    NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC
    ALBUQUERQUE, NM
    NAICS 541715
    1 award or order with FY2026 obligations
    UEI LUJEPCRRT377
  4. #4
    $4.9B
    GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.
    FALLS CHURCH, VA
    NAICS 541330
    690 awards and orders with FY2026 obligations
    UEI SMNWM6HN79X5
  5. #5
    $4.4B
    SCIENCE APPLICATIONS INTERNATIONAL CORPORATION
    RESTON, VA
    NAICS 541512
    534 awards and orders with FY2026 obligations
    UEI MMLKPW9JLX64
  6. #6
    $4.3B
    FLUOR MARINE PROPULSION, LLC
    GREENVILLE, SC
    NAICS 541715
    2 awards and orders with FY2026 obligations
    UEI CWHMVCX7K1N6
  7. #7
    $3.7B
    LAWRENCE LIVERMORE NATIONAL SECURITY, LLC
    LIVERMORE, CA
    NAICS 541715
    1 award or order with FY2026 obligations
    UEI PM52LCJH72T9
  8. #8
    $3.7B
    ACCENTURE FEDERAL SERVICES LLC
    ARLINGTON, VA
    NAICS 541511
    306 awards and orders with FY2026 obligations
    UEI C47BNA8GM833
  9. #9
    $3.4B
    ADVANCED TECHNOLOGY INTERNATIONAL
    SUMMERVILLE, SC
    NAICS 541715
    329 awards and orders with FY2026 obligations
    UEI LDMMF472BB93
  10. #10
    $3.6B
    AMENTUM SERVICES, INC.
    CHANTILLY, VA
    NAICS 541330
    1,174 awards and orders with FY2026 obligations
    UEI QEMLRQA7PLG4
  11. #11
    $3.6B
    CACI, INC. - FEDERAL
    CHANTILLY, VA
    NAICS 541512
    154 awards and orders with FY2026 obligations
    UEI N3PBJAVNKF61
  12. #12
    $3.5B
    NORTHROP GRUMMAN SYSTEMS CORP
    ROY, UT
    NAICS 541330
    2 awards and orders with FY2026 obligations
    UEI D8QQPFNYJD63
  13. #13
    $3.5B
    RAYTHEON COMPANY
    MARLBOROUGH, MA
    NAICS 541512
    104 awards and orders with FY2026 obligations
    UEI YD6LTFVUZNG1
  14. #14
    $3.3B
    DELOITTE CONSULTING LLP
    ARLINGTON, VA
    NAICS 541611
    439 awards and orders with FY2026 obligations
    UEI CKV2L9GZKJK3
  15. #15
    $3B
    UT-BATTELLE LLC
    OAK RIDGE, TN
    NAICS 541715
    1 award or order with FY2026 obligations
    UEI ZLHJJ57QA2H8
  16. #16
    $2.8B
    LEIDOS, INC.
    RESTON, VA
    NAICS 541715
    2,997 awards and orders with FY2026 obligations
    UEI UE9QJD4KK1L6
  17. #17
    $2.4B
    CARAHSOFT TECHNOLOGY CORP
    RESTON, VA
    NAICS 541618
    2,113 awards and orders with FY2026 obligations
    UEI DT8KJHZXVJH5
  18. #18
    $2.4B
    BATTELLE ENERGY ALLIANCE, LLC
    IDAHO FALLS, ID
    NAICS 541715
    1 award or order with FY2026 obligations
    UEI HG7XL5RBNX55
  19. #19
    $2.4B
    Lockheed Martin Corporation
    TITUSVILLE, FL
    NAICS 541330
    9 awards and orders with FY2026 obligations
    UEI KMEVRAKJVBD3
  20. #20
    $2.4B
    THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC
    LAUREL, MD
    NAICS 541715
    642 awards and orders with FY2026 obligations
    UEI C1HBCJ9RMBV3
  21. #21
    $2.3B
    PERATON INC.
    Herndon, VA
    NAICS 541330
    247 awards and orders with FY2026 obligations
    UEI ZBPQEJVECCT4
  22. #22
    $2.1B
    CALIFORNIA INSTITUTE OF TECHNOLOGY
    PASADENA, CA
    NAICS 541713
    296 awards and orders with FY2026 obligations
    UEI YC1YP79BFD19
  23. #23
    $2.1B
    ORACLE HEALTH GOVERNMENT SERVICES, INC.
    KANSAS CITY, MO
    NAICS 541512
    14 awards and orders with FY2026 obligations
    UEI DT2KS3HH5FP5
  24. #24
    $1.6B
    BATTELLE MEMORIAL INSTITUTE
    RICHLAND, WA
    NAICS 541990
    1 award or order with FY2026 obligations
    UEI CWKJEXDG79A7
  25. #25
    $1.6B
    MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    LEXINGTON, MA
    NAICS 541715
    25 awards and orders with FY2026 obligations
    UEI SN5KKUDR9LY8
  26. #26
    $1.5B
    CGI FEDERAL INC.
    FAIRFAX, VA
    NAICS 541519
    224 awards and orders with FY2026 obligations
    UEI TRKEP1HEBNS5
  27. #27
    $1.4B
    ONE NATION INNOVATION
    COLUMBIA, SC
    NAICS 541611
    115 awards and orders with FY2026 obligations
    UEI VFVENKZEF891
  28. #28
    $1.3B
    Salient CRGT, Inc.
    Fairfax, VA
    NAICS 541512
    45 awards and orders with FY2026 obligations
    UEI Q5LJNF15T2R5
  29. #29
    $1.3B
    Leidos, Inc.
    RESTON, VA
    NAICS 541715
    54 awards and orders with FY2026 obligations
    UEI MDSWM6MB1BH7
  30. #30
    $1.3B
    THE MITRE CORPORATION
    MC LEAN, VA
    NAICS 541715
    183 awards and orders with FY2026 obligations
    UEI DMHDNDCPWUD1
See all 207,018 contractors