| Business | Phone |
| V P Electric Inc 222 Elm St, North Haven 6473 | (203) 234-8627 |
| Tremblay Enterprises Llc North Haven 6473 | (203) 234-9588 |
| Tri Phase Contractors 130 Warner Rd, North Haven 6473 | (203) 234-8889 |
| Primary Electric Inc 201 State St # H, North Haven 6473 | (203) 248-1188 |
| Edison Electric 21 Saint John St, North Haven 6473 | (203) 239-3267 |
| Ejs Electric 67 Bailey Rd, North Haven 6473 | (203) 934-7487 |
| North Haven Electric 475 Washington Ave, North Haven 6473 | (203) 239-5695 |
| Gamby Electric Inc 6 Beverly Dr, North Haven 6473 | (203) 239-2718 |
| Gse Electrical Svc 161 Pool Rd, North Haven 6473 | (203) 234-6065 |
| Marvin M Goldberg Inc 396 Skiff St, North Haven 6473 | (203) 397-0027 |