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NAICS 541330 · Engineering Services

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Engineering firm in Chantilly, VA

67 engineering firm in Chantilly, VA; 956 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. A3J Consulting LLC

    ActiveSole proprietorship registered in SAM.gov

    Chantilly, VA

    Proof for A3J Consulting LLC
    SAM.gov registration
    US-GSA-SAM CXXBCZ1YKEG7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Mar 24, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  2. Alpha 2, LLC

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Alpha 2, LLC
    SAM.gov registration
    US-GSA-SAM MGJRANUKG9L9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 10, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  3. Altron, Inc

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Altron, Inc
    SAM.gov registration
    US-GSA-SAM YA8FPJCKW3C4
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 9, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  4. Amentum Government Services Holdings Sub LLC

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Amentum Government Services Holdings Sub LLC
    SAM.gov registration
    US-GSA-SAM Q3VZNHTHXLT9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 18, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  5. Amentum Holdings Inc.

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Amentum Holdings Inc.
    SAM.gov registration
    US-GSA-SAM TU4KCXMM9AP6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 2, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  6. Amentum Holdings LLC

    ActiveOther organization registered in SAM.gov

    Chantilly, VA

    Proof for Amentum Holdings LLC
    SAM.gov registration
    US-GSA-SAM LMHQY3226778
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Mar 2, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  7. Amentum New York, Inc.

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Amentum New York, Inc.
    SAM.gov registration
    US-GSA-SAM LCL2LDM3LZC7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 21, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  8. Amentum Services, Inc.

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Amentum Services, Inc.
    SAM.gov registration
    US-GSA-SAM QEMLRQA7PLG4
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 5, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  9. Amentum Technology, Inc.

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Amentum Technology, Inc.
    SAM.gov registration
    US-GSA-SAM RTPNQ73TAVT3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 21, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  10. Andratech Software Corp, Federal Division

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Andratech Software Corp, Federal Division
    SAM.gov registration
    US-GSA-SAM L3XMKHNVH1Q5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 9, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  11. Apogee Integration LLC

    ActiveOther organization registered in SAM.gov

    Chantilly, VA

    Proof for Apogee Integration LLC
    SAM.gov registration
    US-GSA-SAM E7ZDLXJANSF1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Jun 3, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  12. Arcfield

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Arcfield
    SAM.gov registration
    US-GSA-SAM CWLNZ4TJCLE4
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 16, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  13. Barone Intelligence & Defense, LLC

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Barone Intelligence & Defense, LLC
    SAM.gov registration
    US-GSA-SAM GTGNFJEKCL56
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 30, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  14. Bluefin Innovations, LLC

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Bluefin Innovations, LLC
    SAM.gov registration
    US-GSA-SAM CCQ2JPZHHX93
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 5, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  15. Cyber Vet Solutions, LLC

    ActiveSole proprietorship registered in SAM.gov

    Chantilly, VA

    Proof for Cyber Vet Solutions, LLC
    SAM.gov registration
    US-GSA-SAM VHNJDV4HANG8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Apr 26, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  16. Definitiv LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Chantilly, VA

    Proof for Definitiv LLC
    SAM.gov registration
    US-GSA-SAM X4JHQ1GEKJE7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Sep 20, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  17. Dmy Engineering Consultants Inc

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Dmy Engineering Consultants Inc
    SAM.gov registration
    US-GSA-SAM EHCCRL4SKH88
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 2, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  18. Dulles Geotechnical & Material Testing Services Inc

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for Dulles Geotechnical & Material Testing Services Inc
    SAM.gov registration
    US-GSA-SAM NYQULBAKLC96
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 29, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  19. E. K. Fox & Associates, Limited

    ActiveCorporation registered in SAM.gov

    Chantilly, VA

    Proof for E. K. Fox & Associates, Limited
    SAM.gov registration
    US-GSA-SAM GWMULZSGMD81
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 19, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  20. Ecs-Mid-Atlantic LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Chantilly, VA

    Proof for Ecs-Mid-Atlantic LLC
    SAM.gov registration
    US-GSA-SAM F8S1BF56LFY9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jul 1, 2027
    Checked
    Oct 23, 2026
    Where
    Chantilly, VA · serves Virginia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

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