| Business | Phone |
| Alliance Injection Molding 205 State St, Three Rivers 49093 | (269) 273-1786 |
| Crocker Limited 1510 N Main St, Three Rivers 49093 | (269) 279-5275 |
| Lasco Bathware Inc 888 W Broadway St, Three Rivers 49093 | (269) 279-7461 |
| River City Plastics 55232 Franklin Dr, Three Rivers 49093 | (269) 273-7274 |