| Business | Phone |
| Clean Air Smog Test Only 911 E Washington Blvd, Pasadena 91104 | (626) 798-0049 |
| Best Test Only Center 621 S Arroyo Pkwy # C, Pasadena 91105 | (626) 568-2920 |
| Field Pasadena Oil Co Llc 200 N Hill Ave, Pasadena 91106 | (626) 577-1514 |
| Hill Smog Test Only 248 N Hill Ave, Pasadena 91106 | (626) 796-7609 |
| Pasadena Test Only Center 1076 E Walnut St, Pasadena 91106 | (626) 578-1957 |
| Walnut Test Only Station 1323 E Walnut St, Pasadena 91106 | (626) 449-6252 |
| Smog N It 2 911 E Washington Blvd, Pasadena 91104 | (626) 798-0049 |
| Arroyo Smog Check and Royal Car Wash 850 S. Arroyo Pkwy #A, Pasadena 91105 | (626) 817-0891 |