| Business | Phone |
| Boutwell Heat Air & Refrig 10845 Pine Rd, Grand Bay 36541 | (251) 865-6904 |
| Kenneth Blackwell & Assoc Inc 8760 Hall Rd, Grand Bay 36541 | (251) 865-0181 |
| L & S Air Cond Refrigeration 10975 Diffee Rd, Grand Bay 36541 | (251) 476-0421 |
| Professional Heating & Cooling 12409 Potter Tract Rd, Grand Bay 36541 | (251) 865-1086 |