| Business | Phone |
| Certified Fire Protection 4357 Park Dr G, Norcross 30093 | (770) 638-3930 |
| Cml Fire Protection Inc 6900 Peachtree Industrial Blvd, Norcross 30071 | (770) 448-2322 |
| Southeastern Fire Control Inc 6375 Regency Pkwy, Norcross 30071 | (678) 291-0330 |