| Business | Phone |
| Reac Inc 655 Lowell Rd 9a, Carrollton 30116 | (770) 854-5879 |
| Preferred Air Systems 251 Prizm Dr 5, Carrollton 30116 | (770) 838-1871 |
| Dixie Industrial Svc Llc 889 Blandenburg Rd, Carrollton 30116 | (770) 252-6022 |
| Addison Smith Mechanical Contr 110 Kingsbridge Dr, Carrollton 30117 | (770) 832-9006 |
| D & P Svc 715 Kingsbridge Rd, Carrollton 30117 | (770) 832-1321 |
| E's Hvac 402 Newnan St, Carrollton 30117 | (770) 838-1054 |
| Htmc Mechanical Contracting 175 Meadowcliff Trl, Carrollton 30116 | (678) 796-1200 |
| Industrial Metal & Mechanical 2465 S Highway 16, Carrollton 30116 | (770) 830-0788 |