Boiler, hot water heating and steam fitting contractors in Concord, CA
7 licenses with the C-4 classification list Concord (Contra Costa County) as their address with the state, 7 of them active. Active licenses with nothing flagged come first.
- Bay Air Systems IncC-4 · C-10 · C-20 · C-36 · #450929 Concord · Contra Costa County Active
- Cal-Neva Environmental SystemsB · C-4 · C-10 · C-20 +1 · #365546 Concord · Contra Costa County Active
- Lescure Company IncA · B · C-4 · C-16 +3 · #248204 Concord · Contra Costa County Active
- Matrix Hg IncB · C-4 · C-10 · C-20 +3 · #812232 Concord · Contra Costa County Active
- N V Heathorn CoA · B · C-2 · C-4 +12 · #761659 Concord · Contra Costa County Active
- Swinerton BuildersA · ASB · B · C-2 +15 · #92 Concord · Contra Costa County Active
- U S T Testing Services IncA · B · C-4 · C-12 +8 · #866797 Concord · Contra Costa County Active
Source: CSLB license file, Nov 8, 2026All trades in Concord