| Business | Phone |
| Carroll County Electric Co Inc Manchester 21102 | (410) 239-7005 |
| Geiman Burner Svc Inc 2305 Mount Ventus Rd Number 1, Manchester 21102 | (410) 374-4444 |
| Miller & Sons Inc 3185 Main St, Manchester 21102 | (410) 374-9292 |
| Pittinger's Heating & Cooling 3158 Park Ave, Manchester 21102 | (410) 239-2856 |