| Business | Phone |
| Northern Light Heating & Air 919 Back River Neck Rd, Essex 21221 | (410) 391-5775 |
| Robert M Griffin Jrn Htg 1100 Old Eastern Ave, Essex 21221 | (410) 574-9675 |
| Sae Mechanical Contractors 615 Eastern Blvd, Essex 21221 | (410) 686-2900 |
| Albright's Mechanical Svc 11 S Marlyn Ave, Essex 21221 | (410) 391-4737 |