| Business | Phone |
| Adirondack Area Network 10 Empire State Blvd, Castletn On Hdsn 12033 | (518) 479-1226 |
| Bert's Foreign & Domestic Car Route 20, Castletn On Hdsn 12033 | (518) 477-5967 |
| Phoenix Design Studio Inc Po Box 45, Castletn On Hdsn 12033 | (518) 732-0028 |
| Serv Con Inc New York Rd, Castletn On Hdsn 12033 | (518) 732-4193 |