| Business | Phone |
| Ossining Extension Site 22 Rockledge Ave, Ossining 10562 | (914) 923-5320 |
| Phelps Ats 22 Rockledge Ave, Ossining 10562 | (914) 941-9023 |
| Westchester County Treatment 75 Westerly Rd, Ossining 10562 | (914) 862-5265 |
| Westchester Waste Treatment 75 Westerly Rd, Ossining 10562 | (914) 941-3021 |