| Business | Phone |
| Capital City Mechanical Svc 6699 Pchtree Ind Blvd A, Norcross 30092 | (770) 449-0200 |
| Commercial Mechanical Sb Contr 4275 Steve Reynolds Blvd, Norcross 30093 | (770) 564-1433 |
| Spencer Heating & Air Cond Co 4708 S Old Peachtree Rd 200, Norcross 30071 | (770) 447-5289 |