| Business | Phone |
| Sweet G Test Only Smog 8042 Cerritos Ave, Stanton 90680 | (714) 828-0800 |
| Stanton Smog Test Only 8447 Katella Ave # A, Stanton 90680 | (714) 827-5501 |
| Super Smog 10281 Beach Blvd, Stanton 90680 | (714) 828-6048 |
| Quick Car Tune 8519 Katella Ave # A, Stanton 90680 | (714) 252-0023 |
| California Smog & Repair 10711 Beach Blvd, Stanton 90680 | (714) 995-7591 |
| Only Smog 11869 Beach Blvd, Stanton 90680 | (714) 379-1313 |