| Business | Phone |
| Al-Aparo Crane & Cesspool 5 Ave, Riverhead 11901 | (631) 727-3300 |
| Andrews Cesspool & Land Clrng 24 Rabbit Run, Riverhead 11901 | (631) 208-3103 |
| Clifford's Cesspool Cleaning 229 Hubbard Ave, Riverhead 11901 | (631) 727-3247 |
| Gillette Cesspool Svc Riverhead 11901 | (631) 727-7246 |
| Watts Excavating 229 Horton Ave, Riverhead 11901 | (631) 727-6325 |