| Business | Phone |
| A 1 Emissions Testing 1108 Herrington Rd, Lawrenceville 30044 | (678) 377-0887 |
| Five Star Emission 2410 Lawrenceville Hwy, Lawrenceville 30044 | (678) 985-0046 |
| Frank's Emissions 687 W Crogan St, Lawrenceville 30045 | (770) 962-2249 |
| Speedemissions 27 E Crogan St, Lawrenceville 30045 | (770) 995-6333 |
| Smog Dog 635 Buford Dr, Lawrenceville 30045 | (678) 377-9373 |