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NAICS 238120 · Structural Steel and Precast Concrete Contractors

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Steel and welding contractors in Longmont, CO

5 steel and welding contractors in Longmont, CO; 60 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Action Welding

    ActivePrivate motor carrier

    Longmont, CO

    CallAsk it
    Proof for Action Welding
    USDOT registration
    US-DOT 1529357
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Longmont, CO · serves Colorado
    Phone
    (720) 234-5899
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  2. American Welding & Fabrication

    ActivePrivate motor carrier

    Longmont, CO

    CallAsk it
    Proof for American Welding & Fabrication
    USDOT registration
    US-DOT 1669262
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Longmont, CO · serves Colorado
    Phone
    (303) 833-3755
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  3. Inline Ironworks Inc

    ActivePrivate motor carrier

    Longmont, CO

    CallAsk it
    Proof for Inline Ironworks Inc
    USDOT registration
    US-DOT 1544952
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Longmont, CO · serves Colorado
    Phone
    (970) 535-0463
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  4. Mountain View Welding Inc

    ActivePrivate motor carrier

    Longmont, CO

    CallAsk it
    Proof for Mountain View Welding Inc
    USDOT registration
    US-DOT 1701493
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Longmont, CO · serves Colorado
    Phone
    (303) 776-7845
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  5. Wagner Welding Supply Metro Medical Oxygen

    ActivePrivate motor carrier

    Longmont, CO

    CallAsk it
    Proof for Wagner Welding Supply Metro Medical Oxygen
    USDOT registration
    US-DOT 2984555
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Longmont, CO · serves Colorado
    Phone
    (303) 776-1491
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  6. Sns Iron Works Inc

    ActivePrivate motor carrier

    Frederick, CO · 4 mi away

    CallAsk it
    Proof for Sns Iron Works Inc
    USDOT registration
    US-DOT 1477746
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Frederick, CO · serves Colorado
    Phone
    (303) 450-2222
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  7. C & C Trucking & Welding Inc

    ActivePrivate motor carrier

    Berthoud, CO · 9 mi away

    CallAsk it
    Proof for C & C Trucking & Welding Inc
    USDOT registration
    US-DOT 1002052
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Berthoud, CO · serves Colorado
    Phone
    (970) 532-2411
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  8. Mclean Forge and Welding

    ActivePrivate motor carrier

    Boulder, CO · 10 mi away

    CallAsk it
    Proof for Mclean Forge and Welding
    USDOT registration
    US-DOT 1712076
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Phone
    (303) 442-0786
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  9. Thompson Welding Inc

    ActivePrivate motor carrier

    Mead, CO · 7 mi away

    CallAsk it
    Proof for Thompson Welding Inc
    USDOT registration
    US-DOT 1165293
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Mead, CO · serves Colorado
    Phone
    (970) 535-9595
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  10. Charger Welding LLC

    ActivePrivate motor carrier

    Johnstown, CO · 14 mi away

    CallAsk it
    Proof for Charger Welding LLC
    USDOT registration
    US-DOT 1920540
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Johnstown, CO · serves Colorado
    Phone
    (303) 253-2966
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  11. Technical Metal Welding

    ActivePrivate motor carrier

    Johnstown, CO · 14 mi away

    CallAsk it
    Proof for Technical Metal Welding
    USDOT registration
    US-DOT 4379089
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Johnstown, CO · serves Colorado
    Phone
    (720) 314-2483
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  12. Weld County Welding LLC

    ActivePrivate motor carrier

    Frederick, CO · 10 mi away

    CallAsk it
    Proof for Weld County Welding LLC
    USDOT registration
    US-DOT 3371181
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Frederick, CO · serves Colorado
    Phone
    (720) 408-8764
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  13. Bk Welding Inc

    ActivePrivate motor carrier

    Loveland, CO · 16 mi away

    CallAsk it
    Proof for Bk Welding Inc
    USDOT registration
    US-DOT 2050934
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Loveland, CO · serves Colorado
    Phone
    (970) 685-4435
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  14. Forge Welding Inc

    ActivePrivate motor carrier

    Broomfield, CO · 16 mi away

    CallAsk it
    Proof for Forge Welding Inc
    USDOT registration
    US-DOT 1755660
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Broomfield, CO · serves Colorado
    Phone
    (303) 901-7904
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  15. J V Welding

    ActivePrivate motor carrier

    Milliken, CO · 18 mi away

    CallAsk it
    Proof for J V Welding
    USDOT registration
    US-DOT 2075157
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Milliken, CO · serves Colorado
    Phone
    (970) 587-5044
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  16. Kent's Welding Service LLC

    ActivePrivate motor carrier

    Platteville, CO · 16 mi away

    CallAsk it
    Proof for Kent's Welding Service LLC
    USDOT registration
    US-DOT 1900878
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Platteville, CO · serves Colorado
    Phone
    (970) 590-8735
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  17. Lafoe Welding Service

    ActivePrivate motor carrier

    Ft Lupton, CO · 16 mi away

    CallAsk it
    Proof for Lafoe Welding Service
    USDOT registration
    US-DOT 1199984
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Ft Lupton, CO · serves Colorado
    Phone
    (303) 324-4385
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  18. Lujan Welding LLC

    ActivePrivate motor carrier

    Thornton, CO · 18 mi away

    CallAsk it
    Proof for Lujan Welding LLC
    USDOT registration
    US-DOT 4044820
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Thornton, CO · serves Colorado
    Phone
    (303) 229-8992
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  19. Newt Welding and Fabrication Inc

    ActivePrivate motor carrier

    Loveland, CO · 16 mi away

    CallAsk it
    Proof for Newt Welding and Fabrication Inc
    USDOT registration
    US-DOT 1970044
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Loveland, CO · serves Colorado
    Phone
    (970) 635-9353
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  20. Pyramid Steel Erectors Inc

    ActivePrivate motor carrier

    Brighton, CO · 17 mi away

    CallAsk it
    Proof for Pyramid Steel Erectors Inc
    USDOT registration
    US-DOT 1926884
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Brighton, CO · serves Colorado
    Phone
    (303) 659-8922
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

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