- AAA Access Smog
- Advance Auto Smog Check Ctr
- Air Co Smog
- Auto Medic
- Avalon Smog Ctr
- Avalon Smog Ctr
- Baldwin Park Test Only Ctr
- Baldwin Park Test Only Ctr
- Bar 90 Supplies & Svc
- Californian Smog Test Only
- Californian Smog Test Only
- Callison Automotive
- Cliff's Auto Svc
- Compton EZ Test Only
- Compton EZ Test Only
- Cono's Smog Stop
- Ct Smog Specialist
- Econo Smog & Tune
- El Camino Auto Care
- Hemet Vehicle Inspection Ctr
- Immanuel Auto
- John's Smog
- Kiely Smog Test Only Ctr
- Oxnard Smog Test Only Ctr
- Protech
- Smog 'n Go
- Smog Center
- Smog Center 2
- Smog Experts Test Only
- Star Smog & Muffler Express
- Terry's Smog Shop
- Terry's Smog Shop
- Tri-City Smog
