| Business | Phone |
| J K Crowley Electric 49 Ironia Rd, Randolph 7869 | (973) 543-0796 |
| Caserta Electric 20 Smallbrook Cir, Randolph 7869 | (973) 895-5342 |
| Belline Construction Co 1491 Sussex Tpke, Randolph 7869 | (973) 584-8822 |
| H W Datz 61 Longview Ave, Randolph 7869 | (973) 895-0035 |
| Petroff Power Electrical Contr Randolph 7869 | (973) 895-1155 |
| S K Electrical Contractors Inc 110 Mount Pleasant Tpke, Randolph 7869 | (973) 983-9760 |