| Business | Phone |
| Charter One Bank 40 Main Ave, Wynantskill 12198 | (518) 283-2611 |
| Citizens Bank 40 Main Ave, Wynantskill 12198 | (518) 283-9257 |
| Coidwell Banker Prime Prprts 3 Kent Pl, Wynantskill 12198 | (518) 283-2294 |
| First Niagara Bank 86 Main Ave, Wynantskill 12198 | (518) 283-8600 |
| M & T 150 Main Ave, Wynantskill 12198 | (518) 283-5310 |
| Pioneer Savings Bank 78 Main Ave, Wynantskill 12198 | (518) 283-5905 |
| Trustco Bank 134 Main Ave, Wynantskill 12198 | (518) 286-2674 |