| Business | Phone |
| 21st Marketing Llc Portage 49024 | (269) 329-8300 |
| B & B Marketing Inc 9760 Siesta Key Dr, Portage 49002 | (269) 388-2239 |
| Bravura Marketing 175 W Osterhout Ave, Portage 49024 | (269) 329-0186 |
| Marketing & Management Inst Portage 49024 | (269) 323-1531 |