| Business | Phone |
| A & J Emissions 10477 Fairview Ave, Boise 83704 | (208) 377-2995 |
| Stop & Go Emissions 4860 Emerald St, Boise 83706 | (208) 429-0110 |
| R & B Emissions 8561 W State St, Boise 83714 | (208) 853-2506 |
| M & L Emission Testing 10500 W Overland Rd, Boise 83709 | (208) 375-3553 |
| M & L Emission Testing 3700 W Overland Rd, Boise 83705 | (208) 336-5727 |
| M & L Emission Testing 5800 Fairview Ave, Boise 83704 | (208) 375-7511 |
| M & L Emission Testing 7449 Ustick Rd, Boise 83704 | (208) 322-4099 |
| Idaho Air 2550 Apple St, Boise 83706 | (208) 342-2413 |
| Idaho Air 3 7700 W Fairview Ave, Boise 83704 | (208) 377-9984 |
| J & J Emissions 10677 Ustick Rd, Boise 83713 | (208) 375-7399 |