| Business | Phone |
| Lloyd Harbor Village Clerk 32 Middle Hollow Rd, Halesite 11743 | (631) 549-8893 |
| Huntington Bay Village Office 244 Vineyard Rd, Halesite 11743 | (631) 427-2843 |
| Huntington Harbor Waterways 49 New York Ave, Halesite 11743 | (631) 351-3255 |
| Huntington Treatment Plant Creek Rd, Halesite 11743 | (631) 351-3242 |