| Business | Phone |
| Wave Car & Emission 5860 Bethelview Rd, Cumming 30040 | (770) 889-4111 |
| Bulldog Emissions Inc 205 Mason St, Cumming 30040 | (678) 947-9251 |
| Ezmissions.Com 554 Atlanta Rd, Cumming 30040 | (678) 455-1971 |
| Herbert Emissions 502 Atlanta Rd, Cumming 30040 | (678) 513-7159 |