| Business | Phone |
| Cap Electric Inc 13 Central Ave, Caldwell 7006 | (973) 226-9307 |
| Colonial Electric Contracting 12 Washburn Pl, Caldwell 7006 | (973) 226-0025 |
| Commercial Electrical & Light Caldwell 7006 | (973) 575-5151 |
| Eme Electrical Contractors 35 Roseland Ave, Caldwell 7006 | (973) 228-6608 |
| Frederick Electric 35 Roseland Ave, Caldwell 7006 | (973) 228-9656 |
| Jeffrey Electric Inc 34 Central Ave, Caldwell 7006 | (973) 364-1661 |
| Krug Electric 2 Park Ave, Caldwell 7006 | (973) 226-6024 |
| Lighthouse Electrical Constr Caldwell 7006 | (973) 838-5543 |
| O'Neill Electrical Contractors Caldwell 7006 | (973) 226-4931 |
| On-Line Electrical Contracting Caldwell 7006 | (973) 364-0030 |
| Satellite Electrical Contrs 11 Brookside Ter, Caldwell 7006 | (973) 228-3421 |
| Sibco Electrical Contracting 8 Fairview Dr, Caldwell 7006 | (973) 228-1185 |
| Teco Electric Co 31 Roseland Ave # B, Caldwell 7006 | (973) 228-2822 |
| Tore Electric Co Inc W Greenbrook Rd, Caldwell 7006 | (973) 228-3860 |
| Winfield Electric Caldwell 7006 | (973) 882-0788 |