you asked:
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.
Aguilera's Metalwork
Carpinteria, CA · WC exempt
Proof for Aguilera's Metalwork
- License
- CSLB 1146812
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C23 Ornamental Metal
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Carpinteria, CA · serves California
- Phone
- (805) 319-3560
- Listing
- Built from public records. Not claimed yet, so call them directly.
Aguirre-Pineda Ivan
Pomona, CA · WC exempt
Proof for Aguirre-Pineda Ivan
- License
- CSLB 1032953
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C23 Ornamental Metal
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Pomona, CA · serves California
- Phone
- (909) 953-6030
- Listing
- Built from public records. Not claimed yet, so call them directly.
Aguirre Reinforcing Steel LLC
Vallejo, CA · WC ✓
Proof for Aguirre Reinforcing Steel LLC
- License
- CSLB 1079431
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C50 Reinforcing Steel
- Expires
- Feb 29, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Vallejo, CA · serves California
- Phone
- (707) 515-5587
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ahlborn Fence & Steel Inc
Santa Rosa, CA · WC ✓
Proof for Ahlborn Fence & Steel Inc
- License
- CSLB 793504
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C13 Fencing; C23 Ornamental Metal; C51 Structural Steel
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Santa Rosa, CA · serves California
- Phone
- (707) 573-0742
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ahlborn Structural Steel Inc
Santa Rosa, CA · WC ✓
Proof for Ahlborn Structural Steel Inc
- License
- CSLB 854244
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C13 Fencing; C23 Ornamental Metal; C51 Structural Steel
- Expires
- Feb 28, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Santa Rosa, CA · serves California
- Phone
- (707) 573-0742
- Listing
- Built from public records. Not claimed yet, so call them directly.
Aim Ornamental Inc
Santa Ana, CA · WC exempt
Proof for Aim Ornamental Inc
- License
- CSLB 1077916
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C23 Ornamental Metal
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Santa Ana, CA · serves California
- Phone
- (949) 844-1544
- Listing
- Built from public records. Not claimed yet, so call them directly.
Aim Welding Inc
Fresno, CA · WC exempt
Proof for Aim Welding Inc
- License
- CSLB 1133970
- 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
- Fresno, CA · serves California
- Phone
- (559) 284-0230
- Listing
- Built from public records. Not claimed yet, so call them directly.
Air Doctor
Rohnert Park, CA · WC ✓
Proof for Air Doctor
- License
- CSLB 935257
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; D04 Central Vacuum Systems; D24 Metal Products; D62 Air and Water Balancing; D65 Weatherization and Energy Conservation
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rohnert Park, CA · serves California
- Phone
- (707) 584-5941
- Listing
- Built from public records. Not claimed yet, so call them directly.
Airbulk Welding Supply LLC
Maywood, CA
Proof for Airbulk Welding Supply LLC
- USDOT registration
- US-DOT 3947287
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- Maywood, CA · serves California
- Phone
- (213) 216-7526
- Listing
- Built from public records. Not claimed yet, so call them directly.
Aj Steel Erector Inc
Chino, CA · WC exempt
Proof for Aj Steel Erector Inc
- License
- CSLB 1148926
- 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
- Chino, CA · serves California
- Phone
- (714) 720-3988
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ajm General Construction
Santa Rosa, CA · WC ✓
Proof for Ajm General Construction
- License
- CSLB 1035253
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C7 Low Voltage Systems; C10 Electrical; C34 Pipeline; C51 Structural Steel; C60 Welding; HAZ Hazardous Substance Removal
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Santa Rosa, CA · serves California
- Phone
- (707) 324-7992
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ak Welding Solutions LLC
Fillmore, CA · WC ✓
Proof for Ak Welding Solutions LLC
- License
- CSLB 1098566
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning; C60 Welding
- Expires
- Nov 30, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fillmore, CA · serves California
- Phone
- (805) 501-7688
- Listing
- Built from public records. Not claimed yet, so call them directly.
Aladdin Overhead Door & Gate Co Inc
Indio, CA · WC ✓
Proof for Aladdin Overhead Door & Gate Co Inc
- License
- CSLB 422978
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C23 Ornamental Metal; D28 Doors, Gates and Activating Devices
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Indio, CA · serves California
- Phone
- (760) 347-8403
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alarcon Steel Products Inc
San Diego, CA · WC exempt
Proof for Alarcon Steel Products Inc
- License
- CSLB 1151725
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C51 Structural Steel
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Diego, CA · serves California
- Phone
- (619) 755-4030
- Listing
- Built from public records. Not claimed yet, so call them directly.
Albert Iron Work
Sun Valley, CA · WC exempt
Proof for Albert Iron Work
- License
- CSLB 1128468
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C51 Structural Steel
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Sun Valley, CA · serves California
- Phone
- (818) 599-2935
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alberto's Iron Works
Daly City, CA · WC exempt
Proof for Alberto's Iron Works
- License
- CSLB 724313
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C23 Ornamental Metal
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Daly City, CA · serves California
- Phone
- (650) 755-0244
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alcal Specialty Contracting Inc
Sacramento, CA · WC ✓
Proof for Alcal Specialty Contracting Inc
- License
- CSLB 815286
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C2 Insulation and Acoustical; C35 Lathing and Plastering; C39 Roofing; D21 Machinery and Pumps; D24 Metal Products; D28 Doors, Gates and Activating Devices
- Expires
- Nov 30, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Sacramento, CA · serves California
- Phone
- (916) 631-6572
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alcantar Steel Inc
San Jose, CA · WC ✓
Proof for Alcantar Steel Inc
- License
- CSLB 634589
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C50 Reinforcing Steel; C53 Swimming Pool
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Jose, CA · serves California
- Phone
- (408) 528-8401
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alcantars Welding Co
Riverside, CA · WC ✓
Proof for Alcantars Welding Co
- License
- CSLB 1129957
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C60 Welding
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Riverside, CA · serves California
- Phone
- (951) 531-5092
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alcatraz Iron Inc
Los Angeles, CA · WC ✓
Proof for Alcatraz Iron Inc
- License
- CSLB 1057911
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C51 Structural Steel
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Los Angeles, CA · serves California
- Phone
- (323) 333-8875
- 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.