| Business | Phone |
| Asplundh Construction Corp 93 Sills Rd, Yaphank 11980 | (631) 205-9340 |
| Mc Dowell Electric Corp 7 Old Dock Rd # 3, Yaphank 11980 | (631) 924-7272 |
| Morris Electric Corp Yaphank 11980 | (631) 924-6250 |
| Holiday Electric 110 Valerie Ct, Yaphank 11980 | (631) 924-6131 |