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NAICS 238120 · Structural Steel and Precast Concrete Contractors

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Steel and welding contractors in Maryland

145 steel and welding contractors listed in Maryland, each checked against the issuer's record. In the published order.

  1. A & J Portable Welding LLC

    ActivePrivate motor carrier

    Annapolis, MD

    CallAsk it
    Proof for A & J Portable Welding LLC
    USDOT registration
    US-DOT 3933154
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Annapolis, MD · serves Maryland
    Phone
    (441) 822-1935
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  2. A&S Welding LLC

    ActivePrivate motor carrier

    Galena, MD

    CallAsk it
    Proof for A&S Welding LLC
    USDOT registration
    US-DOT 3703443
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Galena, MD · serves Maryland
    Phone
    (443) 480-9411
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  3. Alas Welding LLC

    ActivePrivate motor carrier

    Lanham, MD

    CallAsk it
    Proof for Alas Welding LLC
    USDOT registration
    US-DOT 3914356
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Lanham, MD · serves Maryland
    Phone
    (202) 812-4546
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  4. Alexander Welding & Supply Inc

    ActivePrivate motor carrier

    Millington, MD

    CallAsk it
    Proof for Alexander Welding & Supply Inc
    USDOT registration
    US-DOT 1377117
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Millington, MD · serves Maryland
    Phone
    (443) 480-1517
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  5. Allegheny Welding & Machine Inc

    ActivePrivate motor carrier

    Oakland, MD

    CallAsk it
    Proof for Allegheny Welding & Machine Inc
    USDOT registration
    US-DOT 755453
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Oakland, MD · serves Maryland
    Phone
    (301) 334-8181
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  6. American Iron Works

    ActivePrivate motor carrier

    Hyattsville, MD

    CallAsk it
    Proof for American Iron Works
    USDOT registration
    US-DOT 298587
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Hyattsville, MD · serves Maryland
    Phone
    (301) 277-8444
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  7. American Rigging and Welding

    ActivePrivate motor carrier

    Mechanicsville, MD

    CallAsk it
    Proof for American Rigging and Welding
    USDOT registration
    US-DOT 1897316
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Mechanicsville, MD · serves Maryland
    Phone
    (301) 888-2131
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  8. Annapolis Metal Fabrication and Repair LLC

    ActivePrivate motor carrier

    Edgewater, MD

    CallAsk it
    Proof for Annapolis Metal Fabrication and Repair LLC
    USDOT registration
    US-DOT 4414369
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Edgewater, MD · serves Maryland
    Phone
    (410) 991-7969
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  9. Ashton Welding LLC

    ActivePrivate motor carrier

    Newark, MD

    CallAsk it
    Proof for Ashton Welding LLC
    USDOT registration
    US-DOT 1422055
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Newark, MD · serves Maryland
    Phone
    (410) 629-1029
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  10. Atc Welding Service

    ActivePrivate motor carrier

    Glen Burnie, MD

    CallAsk it
    Proof for Atc Welding Service
    USDOT registration
    US-DOT 2448517
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Glen Burnie, MD · serves Maryland
    Phone
    (443) 255-3130
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  11. B & B Welding Company Inc

    ActivePrivate motor carrier

    Baltimore, MD

    CallAsk it
    Proof for B & B Welding Company Inc
    USDOT registration
    US-DOT 1292651
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 388-1100
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  12. B&C Mechanical and Welding LLC

    ActivePrivate motor carrier

    Lexington Pk, MD

    CallAsk it
    Proof for B&C Mechanical and Welding LLC
    USDOT registration
    US-DOT 3444799
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Lexington Pk, MD · serves Maryland
    Phone
    (240) 561-0500
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  13. B & M Welding and Fabrications

    ActivePrivate motor carrier

    Sykesville, MD

    CallAsk it
    Proof for B & M Welding and Fabrications
    USDOT registration
    US-DOT 1981335
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Sykesville, MD · serves Maryland
    Phone
    (410) 549-4289
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  14. Baltimore Steel Erectors

    ActivePrivate motor carrier

    Baltimore, MD

    CallAsk it
    Proof for Baltimore Steel Erectors
    USDOT registration
    US-DOT 686036
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 335-0556
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  15. Baltimore Welding Supply

    ActivePrivate motor carrier

    Sparrows Point, MD

    CallAsk it
    Proof for Baltimore Welding Supply
    USDOT registration
    US-DOT 449144
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Sparrows Point, MD · serves Maryland
    Phone
    (410) 282-2800
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  16. Beck Steel Erectors

    ActivePrivate motor carrier

    Baltimore, MD

    CallAsk it
    Proof for Beck Steel Erectors
    USDOT registration
    US-DOT 1049972
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 483-3859
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  17. Big John's Mobile Welding

    ActivePrivate motor carrier

    Great Mills, MD

    CallAsk it
    Proof for Big John's Mobile Welding
    USDOT registration
    US-DOT 1815584
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Great Mills, MD · serves Maryland
    Phone
    (301) 769-1551
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  18. Bill's Portable Welding Inc

    ActivePrivate motor carrier

    Rosedale, MD

    CallAsk it
    Proof for Bill's Portable Welding Inc
    USDOT registration
    US-DOT 1060893
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Rosedale, MD · serves Maryland
    Phone
    (410) 916-1356
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  19. Blackburn Welding & Iron Works Inc

    ActivePrivate motor carrier

    Huntingtown, MD

    CallAsk it
    Proof for Blackburn Welding & Iron Works Inc
    USDOT registration
    US-DOT 4205274
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Huntingtown, MD · serves Maryland
    Phone
    (443) 550-3376
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  20. Blankenship Welding LLC

    ActivePrivate motor carrier

    Union Bridge, MD

    CallAsk it
    Proof for Blankenship Welding LLC
    USDOT registration
    US-DOT 1065162
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Union Bridge, MD · serves Maryland
    Phone
    (301) 748-9533
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

Cities

Baltimore 13Annapolis 5

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