Sign contractors in Livermore, CA

5 licenses with the C-45 classification list Livermore (Alameda County) as their address with the state, 5 of them active. Active licenses with nothing flagged come first.

• ✓A G M Artistic SignsC-45 · #856025 Livermore · Alameda County Active
• ✓American Sign Installation CoC-45 · C-61/D-3 · #860168 Livermore · Alameda County Active
• ✓CalisignC-45 · #1028158 Livermore · Alameda County Active
• ✓North Construction Service IncC-10 · C-45 · C-61/D-34 · C-61/D-42 · #754202 Livermore · Alameda County Active
• ✓Worldwide Electrical SignsC-45 · #911408 Livermore · Alameda County Active

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