| Business | Phone |
| Essex Children's Intervention 4 S Main St, Port Henry 12974 | (518) 546-3355 |
| Essex County Administrative 7 St Patrick Pl, Port Henry 12974 | (518) 546-3381 |
| Essex County Arc 4452 Main St, Port Henry 12974 | (518) 546-3024 |
| Essex County Arc 6 Main St, Port Henry 12974 | (518) 546-7719 |
| Essex County Arc 7 St Patrick Pl, Port Henry 12974 | (518) 546-3051 |
| Essex County Arc Church Ln, Port Henry 12974 | (518) 546-8694 |
| Essex County Clinical Svc Port Henry 12974 | (518) 546-3801 |
| Essex County Community Svc 4 S Main St, Port Henry 12974 | (518) 546-3691 |
| Essex County Community Svc 7 St Patrick Pl, Port Henry 12974 | (518) 546-3691 |
| Essex County Human Resource 10 St Patrick Pl, Port Henry 12974 | (518) 546-7721 |
| Essex County Icf Program 7 St Patrick Pl, Port Henry 12974 | (518) 546-9553 |
| Essex County Residence Program 7 St Patrick Pl, Port Henry 12974 | (518) 546-9550 |
| Essex County Residences 14 Meacham St, Port Henry 12974 | (518) 546-7163 |
| Essex County Residences 44 Broad St, Port Henry 12974 | (518) 546-7468 |
| Essex County Residences 74 Spring St, Port Henry 12974 | (518) 546-7334 |
| Maple Knoll Residence 153 N Main St, Port Henry 12974 | (518) 546-8600 |
| Port Henry Training Center 7 St Patrick Pl, Port Henry 12974 | (518) 546-3386 |
| Witherbee Residence 5 St Patrick Pl, Port Henry 12974 | (518) 546-8694 |