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NAICS 238990 · All Other Specialty Trade Contractors

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Specialty contractors in Upper Marlboro, MD

55 specialty contractors in Upper Marlboro, MD; 658 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Air Engineers Inc, Air Engineers, Inc.

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Air Engineers Inc, Air Engineers, Inc.
    SAM.gov registration
    US-GSA-SAM MVDSLBDLJEG8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 23, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  2. Alliance Trade Services

    ActiveSole proprietorship registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Alliance Trade Services
    SAM.gov registration
    US-GSA-SAM DJ2KQM3NU5M6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Jun 29, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  3. Capitol Cable Communications, Inc.

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Capitol Cable Communications, Inc.
    SAM.gov registration
    US-GSA-SAM TCTMPA9MH7Z6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 1, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  4. Cedar Lane LLC

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Cedar Lane LLC
    SAM.gov registration
    US-GSA-SAM CGV1M6MLDEP7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 1, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  5. County Welding, LLC

    ActiveOther organization registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for County Welding, LLC
    SAM.gov registration
    US-GSA-SAM KSSHAR44LY47
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Oct 25, 2026
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  6. Csi of MD LLC, Csi of MD, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Csi of MD LLC, Csi of MD, LLC
    SAM.gov registration
    US-GSA-SAM RLKMK5NNPZ51
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Sep 15, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  7. Davenport Commercial

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Davenport Commercial
    SAM.gov registration
    US-GSA-SAM DF9FXNPLD8X3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 16, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  8. Dirt Plus Inc

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Dirt Plus Inc
    SAM.gov registration
    US-GSA-SAM YJKZNHAPYX63
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 2, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  9. Doliveira Djb JV LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Doliveira Djb JV LLC
    SAM.gov registration
    US-GSA-SAM DLG3EKCTML49
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    May 14, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  10. Elcon Enterprises Inc

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Elcon Enterprises Inc
    SAM.gov registration
    US-GSA-SAM JK9LM6B67Z77
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 29, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  11. Elevator Technologies Inc

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Elevator Technologies Inc
    SAM.gov registration
    US-GSA-SAM FRYDXX1H7586
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 26, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  12. Ellington Mechanical Services Inc

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Ellington Mechanical Services Inc
    SAM.gov registration
    US-GSA-SAM RQ7CG1VA9YS3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Nov 20, 2026
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  13. Fitz Flooring LLC

    ActiveSole proprietorship registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Fitz Flooring LLC
    SAM.gov registration
    US-GSA-SAM JJR9P1JNLKB9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Mar 23, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  14. Gwc Inc, General Welding Company

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Gwc Inc, General Welding Company
    SAM.gov registration
    US-GSA-SAM LTFJSMJLJEM7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 14, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  15. Harris Mid-Atlantic, LLC

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Harris Mid-Atlantic, LLC
    SAM.gov registration
    US-GSA-SAM JT8XGCQ994L7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 17, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  16. Ibm, 4 Walls IT Business Solutions LLC

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Ibm, 4 Walls IT Business Solutions LLC
    SAM.gov registration
    US-GSA-SAM VYK6E3QPX4J5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  17. J. & L. Mavilia Incorporated

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for J. & L. Mavilia Incorporated
    SAM.gov registration
    US-GSA-SAM FDGBG1T524E1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 13, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  18. James Electrical Control Inc

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for James Electrical Control Inc
    SAM.gov registration
    US-GSA-SAM GTNNFUQKZFE5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 12, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  19. Jcm Associates Inc

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Jcm Associates Inc
    SAM.gov registration
    US-GSA-SAM UJUDT7Y8KSS3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 16, 2026
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  20. John E. Kelly & Sons Electrical Construction, Inc., John E Kelly & Sons Electrical Construction Inc

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for John E. Kelly & Sons Electrical Construction, Inc., John E Kelly & Sons Electrical Construction Inc
    SAM.gov registration
    US-GSA-SAM TGM8BMNKXGL6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 28, 2027
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

More cities in Maryland

Baltimore 80Frederick 44Waldorf 30Beltsville 28Gaithersburg 28Silver Spring 23Mount Airy 22Rockville 22Annapolis 21Bowie 21Hyattsville 21Laurel 21Columbia 19Hagerstown 18Hanover 17Pasadena 17

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