Welding contractors in Ontario, CA
5 licenses with the C-60 classification list Ontario (San Bernardino County) as their address with the state, 5 of them active. Active licenses with nothing flagged come first.
- Carlyle Glasgow Welding ServicesC-60 · #789615 Ontario · San Bernardino County Active
- Glenn Kraus FabricationC-51 · C-60 · #637291 Ontario · San Bernardino County Active
- Impact WeldingC-60 · #1155143 Ontario · San Bernardino County Active
- Maldonado IndustriesC-51 · C-60 · #964663 Ontario · San Bernardino County Active
- Sm Waterworks Backflow ServiceA · C-36 · C-60 · #1115619 Ontario · San Bernardino County Active
Source: CSLB license file, Nov 6, 2026All trades in Ontario