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NAICS 236220 · Commercial and Institutional Building Construction

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Commercial contractors in Maryland

541 commercial contractors listed in Maryland, each checked against the issuer's record. In the published order.

  1. 3 Diamond Solutions LLC

    ActiveSole proprietorship registered in SAM.gov

    La Plata, MD

    Ask it
    Proof for 3 Diamond Solutions LLC
    SAM.gov registration
    US-GSA-SAM VHZQXB3P9935
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Feb 27, 2027
    Checked
    Oct 23, 2026
    Where
    La Plata, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  2. A. & H. D. Enterprises, Inc.

    ActiveCorporation registered in SAM.gov

    Chevy Chase, MD

    Ask it
    Proof for A. & H. D. Enterprises, Inc.
    SAM.gov registration
    US-GSA-SAM LTK3CLH69DG5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 27, 2027
    Checked
    Oct 23, 2026
    Where
    Chevy Chase, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  3. A&L Contractor Services LLC

    ActiveCorporation registered in SAM.gov

    New Market, MD

    Ask it
    Proof for A&L Contractor Services LLC
    SAM.gov registration
    US-GSA-SAM UN4EET5RB468
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 16, 2027
    Checked
    Oct 23, 2026
    Where
    New Market, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  4. Aarow Equipment & Services Inc, Hq

    ActiveCorporation registered in SAM.gov

    Mechanicsville, MD

    Ask it
    Proof for Aarow Equipment & Services Inc, Hq
    SAM.gov registration
    US-GSA-SAM NVMAFEBHFCR2
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 28, 2027
    Checked
    Oct 23, 2026
    Where
    Mechanicsville, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  5. Abatement Inc

    ActiveCorporation registered in SAM.gov

    Bladensburg, MD

    Ask it
    Proof for Abatement Inc
    SAM.gov registration
    US-GSA-SAM JJKPJR3QLCL5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 23, 2027
    Checked
    Oct 23, 2026
    Where
    Bladensburg, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  6. AC Reliable Construction Inc, AC Reliable Construction Inc.

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for AC Reliable Construction Inc, AC Reliable Construction Inc.
    SAM.gov registration
    US-GSA-SAM XZ7NK4Z58W97
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 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

  7. Accel Corporation

    ActiveCorporation registered in SAM.gov

    Hyattsville, MD

    Ask it
    Proof for Accel Corporation
    SAM.gov registration
    US-GSA-SAM R4CWFSJCN7M6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 31, 2027
    Checked
    Oct 23, 2026
    Where
    Hyattsville, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  8. Acropolis Construction Company, Inc.

    ActiveCorporation registered in SAM.gov

    Hunt Valley, MD

    Ask it
    Proof for Acropolis Construction Company, Inc.
    SAM.gov registration
    US-GSA-SAM LLGDUSMM7WE5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 28, 2027
    Checked
    Oct 23, 2026
    Where
    Hunt Valley, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  9. Ahl Group Inc.

    ActiveCorporation registered in SAM.gov

    Upper Marlboro, MD

    Ask it
    Proof for Ahl Group Inc.
    SAM.gov registration
    US-GSA-SAM VYHQQNE1C9M9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 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

  10. Ahtna Infrastructure & Technologies LLC

    ActiveCorporation registered in SAM.gov

    Elkridge, MD

    Ask it
    Proof for Ahtna Infrastructure & Technologies LLC
    SAM.gov registration
    US-GSA-SAM F3WYSJDJJAM3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 26, 2027
    Checked
    Oct 23, 2026
    Where
    Elkridge, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  11. Akors LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Baltimore, MD

    Ask it
    Proof for Akors LLC
    SAM.gov registration
    US-GSA-SAM W5DMWYM8JLZ9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jan 26, 2027
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  12. All Improvements LLC

    ActiveSole proprietorship registered in SAM.gov

    Easton, MD

    Ask it
    Proof for All Improvements LLC
    SAM.gov registration
    US-GSA-SAM XG1XDUJY4TH3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Jul 31, 2027
    Checked
    Oct 23, 2026
    Where
    Easton, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  13. Alliance Exterior Construction, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Baltimore, MD

    Ask it
    Proof for Alliance Exterior Construction, LLC
    SAM.gov registration
    US-GSA-SAM MHL3YA9EYC51
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Feb 20, 2027
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  14. American Master Construction and Cleaning Solution LLC

    ActiveSole proprietorship registered in SAM.gov

    Silver Spring, MD

    Ask it
    Proof for American Master Construction and Cleaning Solution LLC
    SAM.gov registration
    US-GSA-SAM JHYDZV87KP47
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Nov 18, 2026
    Checked
    Oct 23, 2026
    Where
    Silver Spring, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  15. American Minority General Contractors LLC

    ActiveCorporation registered in SAM.gov

    Damascus, MD

    Ask it
    Proof for American Minority General Contractors LLC
    SAM.gov registration
    US-GSA-SAM JZ52H22X59U1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 2, 2027
    Checked
    Oct 23, 2026
    Where
    Damascus, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  16. American Service and Installation Corporation

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for American Service and Installation Corporation
    SAM.gov registration
    US-GSA-SAM KYWKSN1RD3G3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 21, 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. American Vet Industries LLC

    ActiveSole proprietorship registered in SAM.gov

    Baltimore, MD

    Ask it
    Proof for American Vet Industries LLC
    SAM.gov registration
    US-GSA-SAM J8TZCENT3VF3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    May 25, 2027
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  18. Amr Construction LLC, Amr Construction, LLC

    ActiveCorporation registered in SAM.gov

    Clarksville, MD

    Ask it
    Proof for Amr Construction LLC, Amr Construction, LLC
    SAM.gov registration
    US-GSA-SAM GP2KL379MJ48
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 17, 2026
    Checked
    Oct 23, 2026
    Where
    Clarksville, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  19. Apex Federal Infrastructure, LLC

    ActiveCorporation registered in SAM.gov

    Baltimore, MD

    Ask it
    Proof for Apex Federal Infrastructure, LLC
    SAM.gov registration
    US-GSA-SAM KZFFPHA1BMV1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 8, 2027
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  20. Areyana Corps Solution Inc

    ActiveCorporation registered in SAM.gov

    Edgewater, MD

    Ask it
    Proof for Areyana Corps Solution Inc
    SAM.gov registration
    US-GSA-SAM FUQYCLADVWV3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 4, 2027
    Checked
    Oct 23, 2026
    Where
    Edgewater, MD · serves Maryland
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

Cities

Baltimore 46Rockville 29Gaithersburg 26Hyattsville 20Silver Spring 18Columbia 15Upper Marlboro 14Laurel 12Beltsville 11Frederick 11Annapolis 9Waldorf 9Bethesda 7Clinton 7Cockeysville 7Fort Washington 7Germantown 7Lanham 7Aberdeen 6Crofton 6Halethorpe 6Severna Park 6Abingdon 5Bladensburg 5

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