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NAICS 236220 · Commercial and Institutional Building Construction

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Commercial contractors in Gaithersburg, MD

26 commercial contractors in Gaithersburg, MD; 301 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. 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

  2. Bwe Construction & Engineering, Inc

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Bwe Construction & Engineering, Inc
    SAM.gov registration
    US-GSA-SAM SGB3ZJDKFR26
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 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

  3. D&W Construction, LLC

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for D&W Construction, LLC
    SAM.gov registration
    US-GSA-SAM XC7MCM7DL9Q6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 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

  4. Excell Contractors Inc

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Excell Contractors Inc
    SAM.gov registration
    US-GSA-SAM GKCDM16Z7AG6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 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

  5. Go Pro Construction LLC

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Go Pro Construction LLC
    SAM.gov registration
    US-GSA-SAM QUDPKJNEPGV8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 4, 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. Hsu Development, Inc.

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Hsu Development, Inc.
    SAM.gov registration
    US-GSA-SAM CX94XWQUWHJ9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 28, 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. Perfect Glassworks, Construction Management/General Contracting

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Perfect Glassworks, Construction Management/General Contracting
    SAM.gov registration
    US-GSA-SAM DDM3FFXKRDG3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 10, 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. Secure Environments Contracting, LLC, Secure Environments Contracting LLC

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Secure Environments Contracting, LLC, Secure Environments Contracting LLC
    SAM.gov registration
    US-GSA-SAM J5PXRL3NN8R9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 26, 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. Sfms LLC

    ActiveSole proprietorship registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Sfms LLC
    SAM.gov registration
    US-GSA-SAM LBVVWTTA3P26
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Jul 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

  10. Systems 4 Inc

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Systems 4 Inc
    SAM.gov registration
    US-GSA-SAM LY36HXF9JFT8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 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

  11. Tex/Am Construction CO., Inc., Tex Am Construction CO., Inc.

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Tex/Am Construction CO., Inc., Tex Am Construction CO., Inc.
    SAM.gov registration
    US-GSA-SAM JP6GFPG2EFS4
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 12, 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. Westerly Enterprises, LLC

    ActiveOther organization registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Westerly Enterprises, LLC
    SAM.gov registration
    US-GSA-SAM TQXUNQB95J99
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Jul 28, 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. Ccsi - Dubois Construction JV, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Ccsi - Dubois Construction JV, LLC
    SAM.gov registration
    US-GSA-SAM UAJTKJXEWM43
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Feb 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

  14. Ccsi-Dubois Construction, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Ccsi-Dubois Construction, LLC
    SAM.gov registration
    US-GSA-SAM QEKUX1Q1YNC3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    May 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

  15. Edifice Services JV, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Edifice Services JV, LLC
    SAM.gov registration
    US-GSA-SAM FZH6M6JJSAE8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jul 28, 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. Gnd Consulting LLC

    ActiveSole proprietorship registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Gnd Consulting LLC
    SAM.gov registration
    US-GSA-SAM LMR5URMWKVH8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Dec 23, 2026
    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. Hsu Egi JV LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Hsu Egi JV LLC
    SAM.gov registration
    US-GSA-SAM QP3UPNB7QXL1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Aug 2, 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. Mw Lee Construction, Inc

    ActiveCorporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Mw Lee Construction, Inc
    SAM.gov registration
    US-GSA-SAM ECQYKWB1EGQ3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 24, 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

  19. P & S Contracting

    ActiveSole proprietorship registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for P & S Contracting
    SAM.gov registration
    US-GSA-SAM H559MJY1KNU5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Mar 23, 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

  20. Per-Geesh Construction Corporation

    ActiveTax-exempt corporation registered in SAM.gov

    Gaithersburg, MD

    Ask it
    Proof for Per-Geesh Construction Corporation
    SAM.gov registration
    US-GSA-SAM PDMHC1N7P397
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Dec 1, 2026
    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

More cities in Maryland

Baltimore 46Rockville 29Hyattsville 20Silver Spring 18Columbia 15Upper Marlboro 14Laurel 12Beltsville 11Frederick 11Annapolis 9Waldorf 9Bethesda 7Clinton 7Cockeysville 7Fort Washington 7Germantown 7

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