| Business | Phone |
| Trinity Mechanical Contractors 3275 Clay Pond Dr, Oakland 38060 | (901) 647-6601 |
| Rheem Central Air Cond & Htg Po Box 526, Oakland 38060 | (901) 488-2126 |
| Robb's Heating & Air 70 Clay St # 4, Oakland 38060 | (901) 466-1422 |
| Oakland Heating & Air Cond 1980 Wilbourne Rd, Oakland 38060 | (901) 465-4214 |