Hazardous substance removal certifications in Oakley, CA

4 licenses with the HAZ classification list Oakley (Contra Costa County) as their address with the state, 4 of them active. Active licenses with nothing flagged come first.

• ✓Advanced Pipeline ServicesA · HAZ · #578789 Oakley · Contra Costa County Active
• ✓Rick'S Welding & EngineeringA · C-60 · HAZ · #582578 Oakley · Contra Costa County Active
• ✓Sandstone Engineering IncA · B · C-21 · HAZ · #1111309 Oakley · Contra Costa County Active
• ✓Sandstone Environmental Engineering IncA · ASB · B · C-12 +3 · #878348 Oakley · Contra Costa County Active

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