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NAICS 238120 · Structural Steel and Precast Concrete Contractors

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Steel and welding contractors in California

4,208 steel and welding contractors listed in California, each checked against the issuer's record. In the published order.

  1. Accurate Maintenance Solutions

    ActiveD21 Machinery and Pumps+2

    Long Beach, CA · WC exempt

    Proof for Accurate Maintenance Solutions
    License
    CSLB 920394
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D21 Machinery and Pumps; D24 Metal Products; D34 Prefabricated Equipment
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Long Beach, CA · serves California
    Phone
    (562) 884-1222
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. Accurate Mobile Welding Inc

    ActiveC60 Welding

    Upland, CA · WC exempt

    Proof for Accurate Mobile Welding Inc
    License
    CSLB 927302
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C60 Welding
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Upland, CA · serves California
    Phone
    (909) 225-9010
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Accurate Ornamentals

    ActiveC23 Ornamental Metal

    San Bernardino, CA · WC exempt

    Proof for Accurate Ornamentals
    License
    CSLB 1073059
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C23 Ornamental Metal
    Expires
    Jan 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    San Bernardino, CA · serves California
    Phone
    (909) 991-2657
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Accurate Steel

    ActiveC51 Structural Steel

    Anaheim, CA · WC exempt

    Proof for Accurate Steel
    License
    CSLB 1017166
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C51 Structural Steel
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Anaheim, CA · serves California
    Phone
    (714) 553-8574
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Accurate Storage Systems

    ActiveD24 Metal Products+1

    Lodi, CA · WC ✓

    Proof for Accurate Storage Systems
    License
    CSLB 1118865
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D24 Metal Products; D34 Prefabricated Equipment
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Lodi, CA · serves California
    Phone
    (209) 562-9243
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Accurate Tile and Stone

    ActiveC54 Ceramic and Mosaic Tile+1

    El Cajon, CA · WC exempt

    Proof for Accurate Tile and Stone
    License
    CSLB 1000226
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C54 Ceramic and Mosaic Tile; C60 Welding
    Expires
    Jan 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    El Cajon, CA · serves California
    Phone
    (619) 592-0567
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Ace Air Metal Fab

    ActivePrivate motor carrier

    N Highlands, CA

    Proof for Ace Air Metal Fab
    USDOT registration
    US-DOT 3361279
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    N Highlands, CA · serves California
    Phone
    (916) 338-0132
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record
  8. Ace Handyman Services Corona Norco

    ActiveB General Building+2

    Corona, CA · WC exempt

    Proof for Ace Handyman Services Corona Norco
    License
    CSLB 1101651
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C13 Fencing; C23 Ornamental Metal
    Expires
    Feb 28, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Corona, CA · serves California
    Phone
    (951) 737-8000
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Ace Iron Works

    ActiveC23 Ornamental Metal

    Diamond Bar, CA · WC exempt

    Proof for Ace Iron Works
    License
    CSLB 539620
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C23 Ornamental Metal
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Diamond Bar, CA · serves California
    Phone
    (909) 465-0010
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Ace James Welding & Fabrication Inc

    ActiveC60 Welding

    Vista, CA · WC ✓

    Proof for Ace James Welding & Fabrication Inc
    License
    CSLB 1104357
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C60 Welding
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Vista, CA · serves California
    Phone
    (661) 335-2818
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Ace Ornamental

    ActiveC23 Ornamental Metal+1

    Pomona, CA · WC ✓

    Proof for Ace Ornamental
    License
    CSLB 765133
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C23 Ornamental Metal; C51 Structural Steel
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Pomona, CA · serves California
    Phone
    (909) 629-0530
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Ace Rain Systems Inc

    ActiveD24 Metal Products

    San Marcos, CA · WC ✓

    Proof for Ace Rain Systems Inc
    License
    CSLB 958822
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D24 Metal Products
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Marcos, CA · serves California
    Phone
    (760) 734-4888
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Ace Raingutters

    ActiveD24 Metal Products

    Sylmar, CA · WC exempt

    Proof for Ace Raingutters
    License
    CSLB 812119
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D24 Metal Products
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Sylmar, CA · serves California
    Phone
    (818) 257-4766
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Ace Welding and Fabrication Inc

    ActiveC51 Structural Steel+1

    Oceanside, CA · WC ✓

    Proof for Ace Welding and Fabrication Inc
    License
    CSLB 991341
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C51 Structural Steel; C60 Welding
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Oceanside, CA · serves California
    Phone
    (760) 722-2588
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Ace Wrought Iron Work Inc

    ActiveC23 Ornamental Metal

    Gardena, CA · WC ✓

    Proof for Ace Wrought Iron Work Inc
    License
    CSLB 767251
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C23 Ornamental Metal
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Gardena, CA · serves California
    Phone
    (310) 532-1123
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Acrd Roofing Incorporated

    ActiveC39 Roofing+1

    San Leandro, CA · WC ✓

    Proof for Acrd Roofing Incorporated
    License
    CSLB 1027504
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C39 Roofing; D24 Metal Products
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Leandro, CA · serves California
    Phone
    (510) 712-5045
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Action Gas & Welding Supply

    ActivePrivate motor carrier

    Lake Elsinore, CA

    Proof for Action Gas & Welding Supply
    USDOT registration
    US-DOT 2805732
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Lake Elsinore, CA · serves California
    Phone
    (951) 639-3906
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record
  18. Action Home Pros Inc

    ActiveB General Building+3

    Buena Park, CA · WC ✓

    Proof for Action Home Pros Inc
    License
    CSLB 796382
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C17 Glazing; D24 Metal Products; D41 Siding and Decking
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Buena Park, CA · serves California
    Phone
    (714) 670-0828
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. Action Ironworks

    ActiveC23 Ornamental Metal+1

    Wilton, CA · WC ✓

    Proof for Action Ironworks
    License
    CSLB 722337
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C23 Ornamental Metal; C51 Structural Steel
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Wilton, CA · serves California
    Phone
    (916) 508-7075
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Action Welding Corp

    ActiveC60 Welding

    Anaheim, CA · WC ✓

    Proof for Action Welding Corp
    License
    CSLB 957372
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C60 Welding
    Expires
    Feb 28, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Anaheim, CA · serves California
    Phone
    (714) 632-8669
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

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