| Business | Phone |
| West Michigan Stamp & Seal 10330 Portage Rd, Portage 49002 | (269) 323-1913 |
| Box Stamps Etc 2113 Woodbine Ave, Portage 49002 | (269) 329-1810 |
| Stamp Shoppe 10027 Oakland Dr, Portage 49024 | (269) 321-9550 |
| Stamped In Time 6734 Oakland Dr, Portage 49024 | (269) 324-2390 |