| Business | Phone |
| All In One Wireless 449 N Greenbush Rd, Rensselaer 12144 | (518) 283-7565 |
| Cingular Wireless 470 N Greenbush Rd, Rensselaer 12144 | (518) 283-2185 |
| Cr Wireless 390 Columbia Tpke # B, Rensselaer 12144 | (518) 477-2255 |
| Sprint 600 N Greenbush Rd, Rensselaer 12144 | (518) 286-3854 |
| Verizon Wireless 449 N Greenbush Rd, Rensselaer 12144 | (518) 286-3288 |