| Business | Phone |
| Wightman & Assoc 2303 Pipestone Rd, Benton Harbor 49022 | (269) 927-0100 |
| Commonwealth Associates 1123 Territorial Rd, Benton Harbor 49022 | (269) 926-3336 |
| Product Design Svc 285 Territorial Rd, Benton Harbor 49022 | (269) 925-4000 |
| Integrity Design Inc 53 W Wall St, Benton Harbor 49022 | (269) 927-1880 |
| J B Engineering Svc 2285 Fairplain Ave, Benton Harbor 49022 | (269) 927-4007 |