| Business | Phone |
| Maxwell Wholesale Plumbing Co 1113 N Highway, Cedar Hill 75104 | (972) 299-6009 |
| Plumbing Specialist 978 N Highway 67, Cedar Hill 75104 | (972) 291-4464 |
| Cool Attic Ventilation Cedar Hill 75104 | (972) 293-9199 |
| Express Air Cond & Htg 978 N Highway 67, Cedar Hill 75104 | (972) 291-6101 |