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NAICS 236220 · Commercial and Institutional Building Construction

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Commercial contractors in Longmont, CO

6 commercial contractors in Longmont, CO; 68 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Jwl Associates Inc

    ActiveCorporation registered in SAM.gov

    Longmont, CO

    Ask it
    Proof for Jwl Associates Inc
    SAM.gov registration
    US-GSA-SAM RTL5BYCDBV15
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 17, 2027
    Checked
    Oct 23, 2026
    Where
    Longmont, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  2. Krische Construction CO Inc

    ActiveCorporation registered in SAM.gov

    Longmont, CO

    Ask it
    Proof for Krische Construction CO Inc
    SAM.gov registration
    US-GSA-SAM NJN5ME7S74K5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 15, 2026
    Checked
    Oct 23, 2026
    Where
    Longmont, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  3. Lse Builders Group

    ActiveCorporation registered in SAM.gov

    Longmont, CO

    Ask it
    Proof for Lse Builders Group
    SAM.gov registration
    US-GSA-SAM KCCQHK282576
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 5, 2027
    Checked
    Oct 23, 2026
    Where
    Longmont, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  4. Mark Young Construction, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Longmont, CO

    Ask it
    Proof for Mark Young Construction, LLC
    SAM.gov registration
    US-GSA-SAM X6J3B1M4M5Y3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Mar 2, 2027
    Checked
    Oct 23, 2026
    Where
    Longmont, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  5. Rhinotrax Construction Inc

    ActiveCorporation registered in SAM.gov

    Longmont, CO

    Ask it
    Proof for Rhinotrax Construction Inc
    SAM.gov registration
    US-GSA-SAM ZZZ6ELX4BNT7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 27, 2027
    Checked
    Oct 23, 2026
    Where
    Longmont, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  6. Sun Construction & Design Services Inc

    ActiveCorporation registered in SAM.gov

    Longmont, CO

    Ask it
    Proof for Sun Construction & Design Services Inc
    SAM.gov registration
    US-GSA-SAM YL2SALN5BGD6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 17, 2027
    Checked
    Oct 23, 2026
    Where
    Longmont, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  7. Golden Triangle Construction Inc

    ActivePartnership or limited liability partnership registered in SAM.gov

    Frederick, CO · 4 mi away

    Ask it
    Proof for Golden Triangle Construction Inc
    SAM.gov registration
    US-GSA-SAM ENBQVRNDYGC8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jun 5, 2027
    Checked
    Oct 23, 2026
    Where
    Frederick, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  8. Advanced Structures, LLC

    ActiveSole proprietorship registered in SAM.gov

    Firestone, CO · 4 mi away

    Ask it
    Proof for Advanced Structures, LLC
    SAM.gov registration
    US-GSA-SAM UYV7UGFHJ5U5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Mar 26, 2027
    Checked
    Oct 23, 2026
    Where
    Firestone, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  9. Apex Critical Solutions

    ActivePartnership or limited liability partnership registered in SAM.gov

    Erie, CO · 9 mi away

    Ask it
    Proof for Apex Critical Solutions
    SAM.gov registration
    US-GSA-SAM LDX5YGAUHRK8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jul 29, 2027
    Checked
    Oct 23, 2026
    Where
    Erie, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  10. Colorado Test & Balance LLC

    ActiveSole proprietorship registered in SAM.gov

    Erie, CO · 9 mi away

    Ask it
    Proof for Colorado Test & Balance LLC
    SAM.gov registration
    US-GSA-SAM X3TCKGD32GY7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Mar 23, 2027
    Checked
    Oct 23, 2026
    Where
    Erie, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  11. Halcyon Construction Inc

    ActiveCorporation registered in SAM.gov

    Frederick, CO · 9 mi away

    Ask it
    Proof for Halcyon Construction Inc
    SAM.gov registration
    US-GSA-SAM EFEXLU7DN3N7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 10, 2027
    Checked
    Oct 23, 2026
    Where
    Frederick, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  12. The Marshal Group LLC

    ActiveCorporation registered in SAM.gov

    Berthoud, CO · 9 mi away

    Ask it
    Proof for The Marshal Group LLC
    SAM.gov registration
    US-GSA-SAM DWWZEMMPEQR7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 14, 2026
    Checked
    Oct 23, 2026
    Where
    Berthoud, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  13. Van Vleet Construction, LLC

    ActiveCorporation registered in SAM.gov

    Erie, CO · 9 mi away

    Ask it
    Proof for Van Vleet Construction, LLC
    SAM.gov registration
    US-GSA-SAM FX5HVDNNA4L9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 9, 2027
    Checked
    Oct 23, 2026
    Where
    Erie, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  14. Whitestone Construction Services, Inc.

    ActiveCorporation registered in SAM.gov

    Boulder, CO · 10 mi away

    Ask it
    Proof for Whitestone Construction Services, Inc.
    SAM.gov registration
    US-GSA-SAM E227LJVK1QT2
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 12, 2027
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  15. Technology Engineering and Construction Services, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Erie, CO · 9 mi away

    Ask it
    Proof for Technology Engineering and Construction Services, LLC
    SAM.gov registration
    US-GSA-SAM ESGZB4SNHR43
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Apr 15, 2027
    Checked
    Oct 23, 2026
    Where
    Erie, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  16. Cml Security, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Broomfield, CO · 14 mi away

    Ask it
    Proof for Cml Security, LLC
    SAM.gov registration
    US-GSA-SAM C156QGJFAJK7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Apr 15, 2027
    Checked
    Oct 23, 2026
    Where
    Broomfield, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  17. Gracon LLC

    ActiveCorporation registered in SAM.gov

    Lafayette, CO · 11 mi away

    Ask it
    Proof for Gracon LLC
    SAM.gov registration
    US-GSA-SAM Y9MAVKTM3NN4
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 9, 2027
    Checked
    Oct 23, 2026
    Where
    Lafayette, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  18. Ams Dahlgren JV, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Lafayette, CO · 11 mi away

    Ask it
    Proof for Ams Dahlgren JV, LLC
    SAM.gov registration
    US-GSA-SAM KRQZBC5XF9G2
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Apr 11, 2027
    Checked
    Oct 23, 2026
    Where
    Lafayette, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  19. Dahlgren Industrial

    ActivePartnership or limited liability partnership registered in SAM.gov

    Lafayette, CO · 11 mi away

    Ask it
    Proof for Dahlgren Industrial
    SAM.gov registration
    US-GSA-SAM X2GXSMBFX2S6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Feb 25, 2027
    Checked
    Oct 23, 2026
    Where
    Lafayette, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  20. Evo

    ActivePartnership or limited liability partnership registered in SAM.gov

    Broomfield, CO · 14 mi away

    Ask it
    Proof for Evo
    SAM.gov registration
    US-GSA-SAM GMJSGWK4H5V6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jun 1, 2027
    Checked
    Oct 23, 2026
    Where
    Broomfield, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

More cities in Colorado

Colorado Springs 52Denver 43Pueblo 14Englewood 12Littleton 12Grand Junction 10Montrose 10Aurora 8Centennial 8Greeley 7Lakewood 7Castle Rock 5Fort Collins 5

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