| Business | Phone |
| Castmen Automotive Inc 9301 Mission Blvd, Riverside 92509 | (951) 681-5311 |
| Lawler's Woodcrest Svc 18400 Van Buren Blvd, Riverside 92508 | (951) 780-8400 |
| Advance Automotive 3265 Van Buren Blvd # M, Riverside 92503 | (951) 509-2924 |
| Advanced Smog & Automotive 286 Iowa Ave, Riverside 92507 | (951) 788-2071 |
| Alfa One Smog 285 Iowa Ave, Riverside 92507 | (951) 788-1362 |
| All Tech Tune-Up 8651 Indiana Ave # Nno, Riverside 92504 | (951) 689-9444 |
| Alpha Smog 285 Iowa Ave, Riverside 92507 | (951) 686-4337 |
| Automotive Express Smog 3301 Chicago Ave, Riverside 92507 | (951) 682-3371 |
| Automotive Speedy Smog 1433 W Linden St # K, Riverside 92507 | (951) 682-5070 |
| Corona Test Only Center 12690 Magnolia Ave, Riverside 92503 | (951) 279-6618 |
| Bellegrave Automotive Repair 4321 Campbell St # B, Riverside 92509 | (951) 360-6606 |
| Center Smog Check & Auto Rpr 286 Iowa Ave, Riverside 92507 | (951) 782-8125 |
| Discounts Smog 5995 Arlington Ave, Riverside 92504 | (951) 359-3050 |
| Emissions Test Only 3575 Merrill Ave, Riverside 92506 | (951) 680-0096 |
| Express Smog Center 10050 Arlington Ave # O, Riverside 92503 | (951) 637-7118 |
| General Automotive Center 1607 University Ave, Riverside 92507 | (951) 682-1856 |
| In & Out Smog Test Only 3175 Market St, Riverside 92501 | (951) 367-0482 |
| J & J Smog Check Only Center 6011 Magnolia Ave, Riverside 92506 | (951) 328-0560 |
| Lubexperts Inc 11850 Magnolia Ave, Riverside 92503 | (951) 351-8875 |
| M & T Smog Test Only Facility 7580 Indiana Ave, Riverside 92504 | (951) 688-1484 |
| Main Street Unocal 2278 Main St, Riverside 92501 | (951) 683-5124 |
| Plaza Smog & Auto Repair 3575 Merrill Ave, Riverside 92506 | (951) 782-8958 |
| Test Only Center-Riverside 9407 Magnolia Ave, Riverside 92503 | (951) 637-5625 |
| Rancho Automotive 9712 Jurupa Rd, Riverside 92509 | (951) 360-0210 |
| One Way Smog Test Only 2646 E Alessandro Blvd, Riverside 92508 | (951) 656-5106 |
| Z & T Smog 6094 Mission Blvd, Riverside 92509 | (951) 276-1753 |
| Smog Center Test Only 333 W La Cadena Dr, Riverside 92501 | (951) 686-1310 |
| Smog World 3951 Alamo St, Riverside 92501 | (951) 680-1719 |
| Van Buren Test Only 18451 Van Buren Blvd, Riverside 92508 | (951) 789-1515 |