| Business | Phone |
| 9 Udall Road West Islip 9 Udall Rd, West Islip 11795 | (631) 893-6399 |
| Lessings Inc 1170 Montauk Hwy, West Islip 11795 | (631) 893-3180 |
| Madison Davis Group 500 Montauk Hwy, West Islip 11795 | (631) 321-4121 |
| Cedarbrooke Development Corp 147 Norma Ave, West Islip 11795 | (631) 422-2175 |
| Cetch Pan 22 248 Higbie Ln, West Islip 11795 | (631) 422-4296 |
| Metro-Island Ajv 6 Viking Dr, West Islip 11795 | (631) 893-8900 |
| Eastern Cradiac Group 540 Union Blvd, West Islip 11795 | (631) 422-6565 |
| West Islip Bicentennial Cmtee 214 Union Blvd, West Islip 11795 | (631) 422-8943 |
| West Islip Fireman Benevolent 127 Watts Pl, West Islip 11795 | (631) 595-7057 |