| Business | Phone |
| Action Refrigeration Co Inc 330 140 Village Rd, Westminster 21157 | (410) 876-1723 |
| Catons Plumbing Heating Westminster 21157 | (410) 857-7402 |
| Centech 2112 Walsh Dr, Westminster 21157 | (410) 374-1431 |
| Whalen Heating & Cooling 3665 Shaulk Rd # 1, Westminster 21157 | (410) 239-1436 |