Contractor License Proof
A licensed Structural Steel contractor at work on a California project

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

Structural Steel contractors

Nerelli Welding Inc

C-51 · Paso Robles, CA

Licensed

Verified June 17, 2026 · Bonded

Dynamic Iron Works Inc

C-51 · North Highlands, CA

Licensed

Verified June 17, 2026 · Bonded

Pacific Steel Industries Inc

C-51 · San Diego, CA

Licensed

Verified June 17, 2026 · Bonded

J B Iron Work

C-51 · Tujunga, CA

Licensed

Verified June 17, 2026 · Bonded

Azi Steel Inc

C-51 · Canoga Park, CA

Licensed

Verified June 17, 2026 · Bonded

Gomez Iron Fabrication Inc

C-51 · Oakland, CA

Licensed

Verified June 17, 2026 · Bonded

Glendale Iron Inc

C-51 · Los Angeles, CA

License suspended

Verified June 17, 2026 · Bonded

B S G Welding

C-51 · Lynwood, CA

Licensed

Verified June 17, 2026 · Bonded

M S H Iron Works

C-51 · Dixon, CA

Licensed

Verified June 17, 2026 · Bonded

Columbia Steel Services Inc

C-51 · Vancouver, WA

Licensed

Verified June 17, 2026 · Bonded

Carrera Steel Inc

C-51 · Riverside, CA

Licensed

Verified June 17, 2026 · Bonded

Meyers Constructors Inc

C-51 · Fresno, CA

Licensed

Verified June 17, 2026 · Bonded

Aysa Structure Inc

C-51 · La Puente, CA

License suspended

Verified June 17, 2026 · Bonded

Steel Craft Inc

C-51 · Compton, CA

Licensed

Verified June 17, 2026 · Bonded

South Valley Construction and Development Inc

C-51 · Menifee, CA

Licensed

Verified June 17, 2026 · Bonded

JL Construction Service Inc

C-51 · La Canada, CA

Licensed

Verified June 17, 2026 · Bonded

Martin's Steel Works Inc

C-51 · Vacaville, CA

Licensed

Verified June 17, 2026 · Bonded

DS Welding Inc

C-51 · Grass Valley, CA

Licensed

Verified June 17, 2026 · Bonded

Ghadimian Antouan

C-51 · North Hollywood, CA

Licensed

Verified June 17, 2026 · Bonded

Sark Inc

C-51 · Covina, CA

Licensed

Verified June 17, 2026 · Bonded

Adf Structural Steel Inc

C-51 · Terrebonne, CA

Licensed

Verified June 17, 2026 · Bonded

Horizon Steel & Ironworks

C-51 · Beverly Hills, CA

Licensed

Verified June 17, 2026 · Bonded

Living Iron Steel Works

C-51 · Tuolumne, CA

Licensed

Verified June 17, 2026 · Bonded

Ponderosa Roofing & Steel Works

C-51 · Carson City, NV

Licensed

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.