
Structural Steel Contractors in California (C-51)
California licenses thousands of Structural Steel contractors through the CSLB. This directory tracks 1,576 of them — 1,504 currently active (95%), with 100% carrying a contractor bond on file and 70% showing workers' compensation coverage. Every profile is dated against the official CSLB public record.
- 1,576
- Listed
- 1,504
- Active
- 1,575
- With bond
- 1,110
- With WC
Browse by city
- Los Angeles (44)
- Bakersfield (43)
- San Francisco (31)
- San Diego (23)
- Anaheim (22)
- Riverside (20)
- Corona (19)
- Fresno (17)
- Sacramento (16)
- San Jose (16)
- Stockton (16)
- Modesto (15)
- Santa Ana (15)
- Fontana (14)
- Gardena (14)
- Hayward (14)
- Lancaster (14)
- Spring Valley (14)
- Sun Valley (14)
- Ontario (13)
- Pacoima (13)
- San Bernardino (13)
- Glendale (12)
- Hesperia (12)
- Palmdale (11)
- Santa Rosa (11)
- Compton (10)
- El Cajon (10)
- Huntington Beach (10)
- Oakland (10)
Structural Steel contractors
Nerelli Welding Inc
C-51 · Paso Robles, CA
Verified June 17, 2026 · Bonded
Dynamic Iron Works Inc
C-51 · North Highlands, CA
Verified June 17, 2026 · Bonded
Pacific Steel Industries Inc
C-51 · San Diego, CA
Verified June 17, 2026 · Bonded
J B Iron Work
C-51 · Tujunga, CA
Verified June 17, 2026 · Bonded
Azi Steel Inc
C-51 · Canoga Park, CA
Verified June 17, 2026 · Bonded
Gomez Iron Fabrication Inc
C-51 · Oakland, CA
Verified June 17, 2026 · Bonded
Glendale Iron Inc
C-51 · Los Angeles, CA
Verified June 17, 2026 · Bonded
B S G Welding
C-51 · Lynwood, CA
Verified June 17, 2026 · Bonded
M S H Iron Works
C-51 · Dixon, CA
Verified June 17, 2026 · Bonded
Columbia Steel Services Inc
C-51 · Vancouver, WA
Verified June 17, 2026 · Bonded
Carrera Steel Inc
C-51 · Riverside, CA
Verified June 17, 2026 · Bonded
Meyers Constructors Inc
C-51 · Fresno, CA
Verified June 17, 2026 · Bonded
Aysa Structure Inc
C-51 · La Puente, CA
Verified June 17, 2026 · Bonded
Steel Craft Inc
C-51 · Compton, CA
Verified June 17, 2026 · Bonded
South Valley Construction and Development Inc
C-51 · Menifee, CA
Verified June 17, 2026 · Bonded
JL Construction Service Inc
C-51 · La Canada, CA
Verified June 17, 2026 · Bonded
Martin's Steel Works Inc
C-51 · Vacaville, CA
Verified June 17, 2026 · Bonded
DS Welding Inc
C-51 · Grass Valley, CA
Verified June 17, 2026 · Bonded
Ghadimian Antouan
C-51 · North Hollywood, CA
Verified June 17, 2026 · Bonded
Sark Inc
C-51 · Covina, CA
Verified June 17, 2026 · Bonded
Adf Structural Steel Inc
C-51 · Terrebonne, CA
Verified June 17, 2026 · Bonded
Horizon Steel & Ironworks
C-51 · Beverly Hills, CA
Verified June 17, 2026 · Bonded
Living Iron Steel Works
C-51 · Tuolumne, CA
Verified June 17, 2026 · Bonded
Ponderosa Roofing & Steel Works
C-51 · Carson City, NV
Verified June 17, 2026 · Bonded
Frequently asked questions
How many Structural Steel contractors are licensed in California?
This directory lists 1,576 Structural Steel contractors in California, of which 1,504 currently hold an active CSLB license.
How do I check if a Structural Steel contractor is licensed in California?
Open the contractor's profile here for their dated CSLB status, or look up their license number directly on the CSLB "Check a License" tool. A license must be active — not expired, suspended, or inactive — to be valid.
Should a Structural Steel contractor carry a bond and workers' compensation?
Most active CSLB licensees carry a contractor bond, and any contractor with employees must carry workers' compensation. Each profile shows what the CSLB record reports.