| Business | Phone |
| Advanced Smog 3215 Sonoma Blvd, Vallejo 94590 | (707) 554-6363 |
| California Smog Check & Test 181 Couch St, Vallejo 94590 | (707) 647-2468 |
| Los Amigos Auto 2136 Sacramento St, Vallejo 94590 | (707) 649-0167 |
| Rich Logan Smog Svc 1975 Broadway St, Vallejo 94589 | (707) 644-7664 |
| Vallejo Smog Test Only 320 Nebraska St, Vallejo 94590 | (707) 647-7664 |