DouxProcess Directory

Ask for any business in the US.

NAICS 541330 · Engineering Services

you asked:

Engineering firm in Gaithersburg, MD

17 engineering firm in Gaithersburg, MD; 521 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Advanced E&D

    ActiveSole proprietorship registered in SAM.gov

    Gaithersburg, MD

    Proof for Advanced E&D
    SAM.gov registration
    US-GSA-SAM ZRZ2TM96Z614
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Mar 14, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  2. Allied Component Works LLC, Allied Component Works, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Gaithersburg, MD

    Proof for Allied Component Works LLC, Allied Component Works, LLC
    SAM.gov registration
    US-GSA-SAM PGJ6MH7WS2N1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Sep 27, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  3. Comprehensive Structural Solutions, LLC

    ActiveSole proprietorship registered in SAM.gov

    Gaithersburg, MD

    Proof for Comprehensive Structural Solutions, LLC
    SAM.gov registration
    US-GSA-SAM YTYLNJNL8M53
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Jul 8, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  4. Forcing Function LLC

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Proof for Forcing Function LLC
    SAM.gov registration
    US-GSA-SAM CKUYVNK9E7E8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 7, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  5. Gl Communications Inc

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Proof for Gl Communications Inc
    SAM.gov registration
    US-GSA-SAM W8ZVPPXKU5B3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 8, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  6. Helios Electric Engineering Services, LLC

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Proof for Helios Electric Engineering Services, LLC
    SAM.gov registration
    US-GSA-SAM F9VZJN5GU9M6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 8, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  7. Sea Technology Systems, LLC

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Proof for Sea Technology Systems, LLC
    SAM.gov registration
    US-GSA-SAM D9XKNEQZATF7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  8. Shah & Associates Inc

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Proof for Shah & Associates Inc
    SAM.gov registration
    US-GSA-SAM L1HHJJG6YNJ6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 1, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  9. Stadnytskyi Consulting LLC

    ActiveSole proprietorship registered in SAM.gov

    Gaithersburg, MD

    Proof for Stadnytskyi Consulting LLC
    SAM.gov registration
    US-GSA-SAM L5CHSJPEL8C1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Apr 9, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  10. Strickly Ships, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Gaithersburg, MD

    Proof for Strickly Ships, LLC
    SAM.gov registration
    US-GSA-SAM WVKDY4LGD374
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jul 8, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  11. Subsurface & Tunnel Engineering LLC, Ste LLC

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Proof for Subsurface & Tunnel Engineering LLC, Ste LLC
    SAM.gov registration
    US-GSA-SAM PTCGUWMDHHF6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 7, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  12. Alexander Adams Jr

    ActiveSole proprietorship registered in SAM.gov

    Gaithersburg, MD

    Proof for Alexander Adams Jr
    SAM.gov registration
    US-GSA-SAM YDGZRCWV5L13
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Sep 15, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  13. Enquisit Inc, Enquisit, Inc.

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Proof for Enquisit Inc, Enquisit, Inc.
    SAM.gov registration
    US-GSA-SAM VRX2TTME3H29
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 5, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  14. Greenpoint Marine LLC

    ActiveSole proprietorship registered in SAM.gov

    Gaithersburg, MD

    Proof for Greenpoint Marine LLC
    SAM.gov registration
    US-GSA-SAM NFU8MHVPMMA3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Mar 31, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  15. Leidos Aspen Systems Corp, Leidos Services (Ls)

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Proof for Leidos Aspen Systems Corp, Leidos Services (Ls)
    SAM.gov registration
    US-GSA-SAM J32BDXJ62BQ1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 27, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  16. Leidos Integrated Technology LLC

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Proof for Leidos Integrated Technology LLC
    SAM.gov registration
    US-GSA-SAM UPDBNJMSJ7P5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 20, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  17. Verdovan LLC

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Proof for Verdovan LLC
    SAM.gov registration
    US-GSA-SAM U3CGHR14TFP1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 19, 2027
    Checked
    Oct 23, 2026
    Where
    Gaithersburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  18. 3Eti

    ActiveCorporation registered in SAM.gov

    Germantown, MD · 5 mi away

    Proof for 3Eti
    SAM.gov registration
    US-GSA-SAM XDBPX4PNJE57
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 23, 2027
    Checked
    Oct 23, 2026
    Where
    Germantown, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  19. A. Morton Thomas and Associates, Inc.

    ActiveTax-exempt corporation registered in SAM.gov

    Rockville, MD · 4 mi away

    Proof for A. Morton Thomas and Associates, Inc.
    SAM.gov registration
    US-GSA-SAM ZWEEVNKZUTG5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Nov 26, 2026
    Checked
    Oct 23, 2026
    Where
    Rockville, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  20. Aecom - Black & Veatch Jaxae Joint Venture

    ActivePartnership or limited liability partnership registered in SAM.gov

    Germantown, MD · 5 mi away

    Proof for Aecom - Black & Veatch Jaxae Joint Venture
    SAM.gov registration
    US-GSA-SAM CNC6TYLNR644
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Mar 3, 2027
    Checked
    Oct 23, 2026
    Where
    Germantown, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

More cities in Maryland

Free for people · nobody pays to rank. Run one of these businesses? Claim it free.

Checked facts from public license files · How ranking works