| Business | Phone |
| Downey Fast Pass 11840 Woodruff Ave, Downey 90241 | (562) 803-9880 |
| Garfield Smog Check 11523 Bellflower Blvd, Downey 90241 | (562) 622-9739 |
| Sixteen Minute Smog 7924 Firestone Blvd # B, Downey 90241 | (562) 622-9891 |
| Dyno Man 12454 Bellflower Blvd, Downey 90242 | (562) 401-0729 |
| Eagle Smog Check 9476 Telegraph Rd, Downey 90240 | (562) 622-4400 |
| Jay's Auto Repair 12160 Downey Ave, Downey 90242 | (562) 923-4406 |
| Valer Smog Test 12603 Paramount Blvd, Downey 90242 | (562) 862-8033 |