Boiler, hot water heating and steam fitting contractors in Modesto, CA

3 licenses with the C-4 classification list Modesto (Stanislaus County) as their address with the state, 3 of them active. Active licenses with nothing flagged come first.

• ✓Champion Industrial Contractors IncB · C-2 · C-4 · C-10 +9 · #174777 Modesto · Stanislaus County Active
• ✓Fred Hill Mechanical IncC-4 · C-20 · C-36 · C-43 · #857149 Modesto · Stanislaus County Active
• !Summit Plumbing and Mechanical CorporationB · C-4 · C-20 · C-36 +1 · #861170 Modesto · Stanislaus County Active Workers' comp suspension pending

Source: CSLB license file, Nov 8, 2026All trades in Modesto