| Business | Phone |
| A Test Only 2035 N Texas St, Fairfield 94533 | (707) 428-4305 |
| Advanced Smog Center 1881 Walters Ct # F, Fairfield 94533 | (707) 432-5762 |
| California Emission Testing 1348 Texas St, Fairfield 94533 | (707) 425-7193 |
| Fairfield Smog Center 525 Taylor St, Fairfield 94533 | (707) 426-6934 |
| Henry's 1247 Texas St, Fairfield 94533 | (707) 432-0408 |