| Business | Phone |
| Bpc Electric 4 Hickory Ln, Sandy Hook 6482 | (203) 426-8636 |
| Northern Electric Co 21 Lyrical Ln, Sandy Hook 6482 | (203) 426-6822 |
| Family Electric Inc 58 Housatonic Dr, Sandy Hook 6482 | (203) 270-8091 |
| Nagel Electric 4 Homer Clark Rd, Sandy Hook 6482 | (203) 426-0169 |