you asked:
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.
Allen Iron Works Inc
Mammoth Lakes, CA · WC ✓
Proof for Allen Iron Works Inc
- License
- CSLB 565721
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C51 Structural Steel
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Mammoth Lakes, CA · serves California
- Phone
- (760) 934-6088
- Listing
- Built from public records. Not claimed yet, so call them directly.
Allen Steel
Livermore, CA · WC ✓
Proof for Allen Steel
- License
- CSLB 566721
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C51 Structural Steel
- Expires
- Feb 29, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Livermore, CA · serves California
- Phone
- (925) 373-7787
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alley Cat Creations
San Leandro, CA · WC ✓
Proof for Alley Cat Creations
- License
- CSLB 1018396
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C2 Insulation and Acoustical; D24 Metal Products
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Leandro, CA · serves California
- Phone
- (510) 277-3303
- Listing
- Built from public records. Not claimed yet, so call them directly.
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.
Cities
Free for people · nobody pays to rank. Run one of these businesses? Claim it free.