Low voltage systems contractors in Brentwood, CA
13 licenses with the C-7 classification list Brentwood (Contra Costa County) as their address with the state, 13 of them active. Active licenses with nothing flagged come first.
- Advance Telecom IncC-7 · C-31 · C-34 · #1031556 Brentwood · Contra Costa County Active
- Bear Technology IncC-7 · #948362 Brentwood · Contra Costa County Active
- Beyond SoundC-7 · #962111 Brentwood · Contra Costa County Active
- Brian PickerillC-7 · #834263 Brentwood · Contra Costa County Active
- ConnectC-7 · #933248 Brentwood · Contra Costa County Active
- Connect Tek of California IncB · C-7 · C-10 · #765403 Brentwood · Contra Costa County Active
- Global Master TechC-7 · #1108838 Brentwood · Contra Costa County Active
- Low VoltageC-7 · #1157722 Brentwood · Contra Costa County Active
- Norcal Builders IncB · C-7 · C-33 · #858617 Brentwood · Contra Costa County Active
- Nyswonger Low VoltageC-7 · #912976 Brentwood · Contra Costa County Active
- Precision Fiber Optics IncC-7 · #898594 Brentwood · Contra Costa County Active
- Red Box Business Solutions IncC-7 · #977581 Brentwood · Contra Costa County Active
- Vega Consultants IncC-7 · #868747 Brentwood · Contra Costa County Active
Source: CSLB license file, Nov 6, 2026All trades in Brentwood