| Business | Phone |
| Auto Smog & Repairs 23211 Cherry Ave # G, Lake Forest 92630 | (949) 472-9222 |
| Car Test Only Center 23141 Orange Ave, Lake Forest 92630 | (949) 454-9676 |
| Lake Forest 76th 22391 El Toro Rd, Lake Forest 92630 | (949) 770-2576 |
| Lbj Smog 26571 Normandale Dr # 30-1, Lake Forest 92630 | (949) 525-1940 |
| Test Only Ez Smog Check 20641 Pascal Way, Lake Forest 92630 | (949) 859-3174 |