Pipeline contractors in Modesto, CA

5 licenses with the C-34 classification list Modesto (Stanislaus County) as their address with the state, 5 of them active. Active licenses with nothing flagged come first.

• ✓Herk'S PlumbingC-34 · C-36 · #988077 Modesto · Stanislaus County Active
• ✓Patriot PipelineC-34 · #1126681 Modesto · Stanislaus County Active
• ✓Tony'S Plumbing Heating & AirC-20 · C-34 · C-36 · #691786 Modesto · Stanislaus County Active
• ✓Valley City PlumbingB · C-34 · C-36 · #811319 Modesto · Stanislaus County Active
• !Innovative Shotlining IncC-34 · #1095971 Modesto · Stanislaus County Active Workers' comp suspension pending

Source: CSLB license file, Nov 6, 2026All trades in Modesto