| Business | Phone |
| A C Smog & Auto Repair 1271 W Redlands Blvd, Redlands 92373 | (909) 798-0692 |
| G & G Smog Only 460 Tennessee St, Redlands 92373 | (909) 793-4589 |
| R & R Test Only Smog Station 1647 W Redlands Blvd, Redlands 92373 | (909) 307-1201 |
| Redlands Smog Stop 1647 W Redlands Blvd # A, Redlands 92373 | (909) 798-5152 |
| Redlands Test Only 302 Alabama St # 6, Redlands 92373 | (909) 307-9720 |
| Tomas Smog 526 Texas St, Redlands 92374 | (909) 798-5335 |
| Twin Smog Gas Supply 1447 Clock St, Redlands 92374 | (909) 389-9488 |