Structural Steel Contractors in San Francisco, CA
31 Structural Steel contractors in San Francisco, California appear in the CSLB public record — 30 with an active license. Check each one's status, bond, workers' compensation, and classifications before you hire.
Gold Mountain Investments Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Yiz Ironworker
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Ferdel Structural Steel
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Roscal Steel
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
RS Erectors
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Sullivan Structural Steel
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Brother Steel Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Gleaves Structural Steel
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Velasquez Structural Steel Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Progress Metal Fabrication Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Chiang Robert
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
C S I Customer Service General Contracting Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
C M Construction Company
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
J C Metal Specialists Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Barry Kevin J Ironworks
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Anco Iron & Construction Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Detail Ironworks
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
T C Steel
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
M C Metal Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
J C Steel Fabrication Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Apex Electric & Air
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
B E I Steel Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
Wizard of Metals Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
West Cork Welding Inc
C-51 · San Francisco, CA
Verified June 17, 2026 · Bonded
More Structural Steel cities in California
Before you hire in San Francisco
Frequently asked questions
How many Structural Steel contractors are licensed in San Francisco, California?
This directory lists 31 Structural Steel contractors in San Francisco, California, of which 30 currently hold an active CSLB license.
How do I check if a Structural Steel contractor is licensed in San Francisco, 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.