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Steel and welding contractors in California
4,523 steel and welding contractors listed in California, each checked against the issuer's record. In the published order.
Alley's Welding Inc
Bakersfield, CA · WC ✓
Proof for Alley's Welding Inc
- License
- CSLB 756723
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C23 Ornamental Metal; C51 Structural Steel
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Bakersfield, CA · serves California
- Phone
- (661) 588-5998
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alliance Industrial Group Inc
Ridgefield, WA · WC ✓
Proof for Alliance Industrial Group Inc
- License
- CSLB 845946
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C51 Structural Steel
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ridgefield, WA · serves California
- Phone
- (503) 285-7100
- Listing
- Built from public records. Not claimed yet, so call them directly.
Allied Fire Protection
Oakland, CA · WC ✓
Proof for Allied Fire Protection
- License
- CSLB 251700
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C12 Earthwork and Paving; C16 Fire Protection; C34 Pipeline; C60 Welding
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Oakland, CA · serves California
- Phone
- (510) 533-5516
- Listing
- Built from public records. Not claimed yet, so call them directly.
Allied Steel Co Inc
Riverside, CA · WC ✓
Proof for Allied Steel Co Inc
- License
- CSLB 164718
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C23 Ornamental Metal; C51 Structural Steel
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Riverside, CA · serves California
- Phone
- (951) 241-7000
- Listing
- Built from public records. Not claimed yet, so call them directly.
Allies Ornamental Iron Works
Villa Park, CA · WC exempt
Proof for Allies Ornamental Iron Works
- License
- CSLB 1072482
- 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
- Villa Park, CA · serves California
- Phone
- (949) 205-9486
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alloy Inovations LLC
Wildomar, CA · WC ✓ via leasing firm
Proof for Alloy Inovations LLC
- License
- CSLB 1054428
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C60 Welding
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Covered through an employee leasing firm
- Where
- Wildomar, CA · serves California
- Phone
- (951) 609-6156
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alloy Welding
Rancho Cucamonga, CA · WC ✓
Proof for Alloy Welding
- License
- CSLB 871635
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C60 Welding
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (562) 332-0708
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alloy Weldworks
LA Verne, CA · WC ✓
Proof for Alloy Weldworks
- License
- CSLB 996624
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C60 Welding
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Verne, CA · serves California
- Phone
- (909) 239-3832
- Listing
- Built from public records. Not claimed yet, so call them directly.
Allpro Welding
LA Mesa, CA · WC exempt
Proof for Allpro Welding
- License
- CSLB 1132886
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C60 Welding
- Expires
- Feb 28, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- LA Mesa, CA · serves California
- Phone
- (619) 200-3138
- Listing
- Built from public records. Not claimed yet, so call them directly.
Allrack Solutions
Los Angeles, CA · WC exempt
Proof for Allrack Solutions
- License
- CSLB 908845
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- D24 Metal Products
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Los Angeles, CA · serves California
- Phone
- (323) 263-7225
- Listing
- Built from public records. Not claimed yet, so call them directly.
Allstar Fabrication + Welding
Atwater, CA · WC ✓
Proof for Allstar Fabrication + Welding
- License
- CSLB 1148614
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C60 Welding
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Atwater, CA · serves California
- Phone
- (209) 617-0221
- Listing
- Built from public records. Not claimed yet, so call them directly.
Allweld Metal Fabrication Inc
Napa, CA
Proof for Allweld Metal Fabrication Inc
- USDOT registration
- US-DOT 3161690
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- Napa, CA · serves California
- Phone
- (707) 252-7875
- Listing
- Built from public records. Not claimed yet, so call them directly.
Allweld Metal Fabrication Inc
Napa, CA · WC ✓
Proof for Allweld Metal Fabrication Inc
- License
- CSLB 950845
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C60 Welding
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Napa, CA · serves California
- Phone
- (707) 252-7875
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alm Welding and Fabrication Inc
Tuolumne, CA · WC exempt
Proof for Alm Welding and Fabrication Inc
- License
- CSLB 1134794
- 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
- Tuolumne, CA · serves California
- Phone
- (209) 559-5924
- Listing
- Built from public records. Not claimed yet, so call them directly.
Almazan Sheet Metal
Phelan, CA · WC ✓ via leasing firm
Proof for Almazan Sheet Metal
- License
- CSLB 1066364
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C43 Sheet Metal; D24 Metal Products
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Covered through an employee leasing firm
- Where
- Phelan, CA · serves California
- Phone
- (442) 267-6108
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alpha Cat Welding
Fallbrook, CA · WC exempt
Proof for Alpha Cat Welding
- License
- CSLB 740433
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C60 Welding
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Fallbrook, CA · serves California
- Phone
- (760) 807-2150
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alpha Steel Corp
Nuevo, CA · WC ✓
Proof for Alpha Steel Corp
- License
- CSLB 1050872
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C50 Reinforcing Steel
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Nuevo, CA · serves California
- Phone
- (208) 602-1373
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alpha Welding
Bakersfield, CA · WC exempt
Proof for Alpha Welding
- License
- CSLB 1082959
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C60 Welding
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Bakersfield, CA · serves California
- Phone
- (661) 805-7378
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alphabet Steel Fab Inc
Pacoima, CA · WC exempt
Proof for Alphabet Steel Fab Inc
- License
- CSLB 1158477
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C51 Structural Steel
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Pacoima, CA · serves California
- Phone
- (818) 938-0302
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alpine Exteriors
Tehachapi, CA · WC exempt
Proof for Alpine Exteriors
- License
- CSLB 967427
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- D24 Metal Products; D41 Siding and Decking
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Tehachapi, CA · serves California
- Phone
- (661) 972-7457
- Listing
- Built from public records. Not claimed yet, so call them directly.
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