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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. Aldaz Steel Fab

    ActiveC51 Structural Steel

    Moreno Valley, CA · WC exempt

    Proof for Aldaz Steel Fab
    License
    CSLB 871568
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C51 Structural Steel
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Moreno Valley, CA · serves California
    Phone
    (951) 655-0487
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. Alegre Machinery

    ActiveA General Engineering+1

    Tracy, CA · WC ✓

    Proof for Alegre Machinery
    License
    CSLB 871787
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C51 Structural Steel
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Tracy, CA · serves California
    Phone
    (209) 321-6819
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Alekceevka Gutters

    ActiveD24 Metal Products

    North Highlands, CA · WC ✓

    Proof for Alekceevka Gutters
    License
    CSLB 1049026
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D24 Metal Products
    Expires
    Jan 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    North Highlands, CA · serves California
    Phone
    (916) 718-5616
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Alen Steel

    ActiveC51 Structural Steel

    Sylmar, CA · WC exempt

    Proof for Alen Steel
    License
    CSLB 1160781
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C51 Structural Steel
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Sylmar, CA · serves California
    Phone
    (747) 488-1199
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Alex Gutter Inc

    ActiveC39 Roofing+1

    San Jose, CA · WC ✓

    Proof for Alex Gutter Inc
    License
    CSLB 794546
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C39 Roofing; D24 Metal Products
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Jose, CA · serves California
    Phone
    (408) 297-2005
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Alex's Gutter Solutions

    ActiveD24 Metal Products

    Roseville, CA · WC exempt

    Proof for Alex's Gutter Solutions
    License
    CSLB 1098247
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D24 Metal Products
    Expires
    Oct 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Roseville, CA · serves California
    Phone
    (916) 476-0150
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Alex's Mobile Welding

    ActiveC60 Welding

    Fresno, CA · WC ✓

    Proof for Alex's Mobile Welding
    License
    CSLB 1033691
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C60 Welding
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Fresno, CA · serves California
    Phone
    (559) 479-0447
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Alex Welding Inc

    ActiveC60 Welding

    Riverside, CA · WC exempt

    Proof for Alex Welding Inc
    License
    CSLB 1038506
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C60 Welding
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Riverside, CA · serves California
    Phone
    (562) 279-4515
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Alexander Installations

    ActiveD24 Metal Products+1

    Portland, OR · WC ✓

    Proof for Alexander Installations
    License
    CSLB 514163
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D24 Metal Products; D34 Prefabricated Equipment
    Expires
    Jul 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Portland, OR · serves California
    Phone
    (503) 252-4728
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Alignment Metalworks

    ActiveC23 Ornamental Metal

    Reno, NV · WC ✓

    Proof for Alignment Metalworks
    License
    CSLB 1122761
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C23 Ornamental Metal
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Reno, NV · serves California
    Phone
    (775) 229-1968
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. All About Gutters

    ActiveD24 Metal Products

    Auburn, CA · WC ✓

    Proof for All About Gutters
    License
    CSLB 744833
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D24 Metal Products
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Auburn, CA · serves California
    Phone
    (530) 820-4020
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. All American Construction Solutions

    ActiveA General Engineering+3

    Chino, CA · WC ✓

    Proof for All American Construction Solutions
    License
    CSLB 1047163
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C51 Structural Steel
    Expires
    Nov 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Chino, CA · serves California
    Phone
    (323) 788-9799
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. All American Fence Corporation

    ActiveC13 Fencing+1

    Danville, CA · WC ✓

    Proof for All American Fence Corporation
    License
    CSLB 670853
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C13 Fencing; C23 Ornamental Metal
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Danville, CA · serves California
    Phone
    (925) 743-8583
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. All American Ironworks

    ActiveC13 Fencing+2

    Helendale, CA · WC ✓

    Proof for All American Ironworks
    License
    CSLB 1048280
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C13 Fencing; C23 Ornamental Metal; C51 Structural Steel
    Expires
    Dec 31, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Helendale, CA · serves California
    Phone
    (951) 830-2828
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. All American Roofing and Gutters

    ActiveC39 Roofing+1

    Oakley, CA · WC ✓

    Proof for All American Roofing and Gutters
    License
    CSLB 880457
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C39 Roofing; D24 Metal Products
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Oakley, CA · serves California
    Phone
    (925) 584-0476
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. All American Welding

    ActiveC60 Welding

    Pioneer, CA · WC exempt

    Proof for All American Welding
    License
    CSLB 934462
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C60 Welding
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Pioneer, CA · serves California
    Phone
    (209) 295-6208
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. All American Welding

    ActiveC23 Ornamental Metal

    Oroville, CA · WC ✓

    Proof for All American Welding
    License
    CSLB 1090640
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C23 Ornamental Metal
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Oroville, CA · serves California
    Phone
    (530) 403-9271
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. All Counties Fence & Supply

    ActiveB General Building+2

    Riverside, CA · WC ✓

    Proof for All Counties Fence & Supply
    License
    CSLB 717249
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C13 Fencing; C23 Ornamental Metal
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Riverside, CA · serves California
    Phone
    (951) 780-9300
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. All Design Fencing and C M Blacksmithing

    ActiveC13 Fencing+1

    Diamond Springs, CA · WC exempt

    Proof for All Design Fencing and C M Blacksmithing
    License
    CSLB 640025
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C13 Fencing; C23 Ornamental Metal
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Diamond Springs, CA · serves California
    Phone
    (530) 622-2465
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. All Fo4Ur Sides Siding & Windows

    ActiveD24 Metal Products+2

    Mojave, CA · WC exempt

    Proof for All Fo4Ur Sides Siding & Windows
    License
    CSLB 778663
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D24 Metal Products; D34 Prefabricated Equipment; D41 Siding and Decking
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Mojave, CA · serves California
    Phone
    (661) 330-1161
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

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