| Business | Phone |
| County Cesspool & Drain Clng 837 Connetquot Ave, Islip Terrace 11752 | (631) 399-2100 |
| County Sewer & Drain Svc 837 Connetquot Ave, Islip Terrace 11752 | (631) 859-1704 |
| Great River Cesspool Svc 73 Oceanside St, Islip Terrace 11752 | (631) 277-8186 |