Structural steel contractors in San Francisco, CA
31 licenses with the C-51 classification list San Francisco (San Francisco County) as their address with the state, 29 of them active. Active licenses with nothing flagged come first.
- Anco Iron & Construction IncB · C-51 · #749293 San Francisco · San Francisco County Active
- Apex Electric & AirA · B · C-10 · C-20 +1 · #825156 San Francisco · San Francisco County Active
- B E I Steel IncC-51 · #844874 San Francisco · San Francisco County Active
- Bannon Construction IncB · C-23 · C-51 · #917823 San Francisco · San Francisco County Active
- Brother Steel IncC-51 · #1138558 San Francisco · San Francisco County Active
- C M Construction CompanyA · B · C-36 · C-51 · #520064 San Francisco · San Francisco County Active
- C S I Customer Service General Contracting IncA · B · C-51 · #502942 San Francisco · San Francisco County Active
- Detail IronworksB · C-23 · C-51 · C-60 · #769491 San Francisco · San Francisco County Active
- Fastnet Engineering & Construction IncB · C-51 · #902121 San Francisco · San Francisco County Active
- Ferdel Structural SteelC-51 · #1065478 San Francisco · San Francisco County Active
- Gleaves Contractors IncC-51 · #1145854 San Francisco · San Francisco County Active
- Gold Mountain Investments IncB · C-51 · #1015922 San Francisco · San Francisco County Active
- J C Steel Fabrication IncB · C-23 · C-51 · #799544 San Francisco · San Francisco County Active
- Kevin J Barry IronworksC-51 · #742590 San Francisco · San Francisco County Active
- M C Metal IncC-51 · #792411 San Francisco · San Francisco County Active
- McO EngineeringA · B · C-31 · C-51 · #986437 San Francisco · San Francisco County Active
- Okane Cregg Steel IncC-51 · #993716 San Francisco · San Francisco County Active
- Progress Metal Fabrication IncC-51 · #1156260 San Francisco · San Francisco County Active
- Roscal SteelC-51 · #1072824 San Francisco · San Francisco County Active
- Rs ErectorsC-51 · #1090562 San Francisco · San Francisco County Active
- Solher Iron IncC-13 · C-23 · C-51 · #941762 San Francisco · San Francisco County Active
- T L K Steel IncorporatedB · C-51 · #904248 San Francisco · San Francisco County Active
- Tom'S Welding & FabricationB · C-51 · #728525 San Francisco · San Francisco County Active
- Velasquez Structural Steel IncC-51 · #1153468 San Francisco · San Francisco County Active
- West Cork Welding IncC-51 · #851607 San Francisco · San Francisco County Active
- Wizard of Metals IncC-51 · #850157 San Francisco · San Francisco County Active
- Yiz IronworkerC-51 · #1061277 San Francisco · San Francisco County Active
- J C Metal Specialists IncB · C-23 · C-51 · #546302 San Francisco · San Francisco County Active Disciplinary bond on file
- T C SteelC-51 · #791249 San Francisco · San Francisco County Active Workers' comp suspension pending
- J C'S EngineeringA · C-51 · #980143 San Francisco · San Francisco County Suspended: bond lapsed
- Sullivan Structural SteelC-51 · #1101652 San Francisco · San Francisco County Suspended: bond lapsed
Source: CSLB license file, Nov 8, 2026All trades in San Francisco