| Business | Phone |
| R R Consulting Inc 9 Chestnut Knoll Dr, Sandy Hook 6482 | (203) 364-0804 |
| E G Consulting & Computer Svc 17 Pole Bridge Rd, Sandy Hook 6482 | (203) 426-8223 |
| P C Solutions 14 Black Cherry Ln, Sandy Hook 6482 | (203) 426-1780 |
| Keystone Technologies 11 Walker Hill Rd, Sandy Hook 6482 | (203) 426-3097 |