| Business | Phone |
| J T Mase Mechanical Corp 2 Beatty St, Dover 7801 | (973) 659-0100 |
| Long Life Electric Dover 7801 | (973) 328-3540 |
| Maranatha Electrical Svc 72 Mount Hope Ave, Dover 7801 | (973) 361-2210 |
| Caserta Electric Inc 311 E Blackwell St, Dover 7801 | (973) 895-5342 |
| D & C Electrical Contractors 278 E Blackwell St, Dover 7801 | (973) 989-1100 |
| Diamond Electrical Contractor 27 Randolph Ave, Dover 7801 | (973) 361-1943 |
| Eagle Electrical Contracting Dover 7801 | (973) 366-9824 |
| East Coast Enterprises 24 Mercer St # B, Dover 7801 | (973) 442-0115 |
| Fehsal Electric Inc Dover 7801 | (973) 366-0104 |
| S K Electrical Contractors Inc Dover 7801 | (973) 989-1119 |
| Wire Works Electric Dover 7801 | (973) 328-3333 |
| Trasente Electric Inc 12 Julia Ter, Dover 7801 | (973) 442-9847 |