| Business | Phone |
| H & M Vibro Inc 3715 28th St Sw, Grandville 49418 | (616) 538-4150 |
| Harlo Corp 4210 Ferry St Sw, Grandville 49418 | (616) 538-0550 |
| Steel Stud Systems Inc 4165 Spartan Industrial Dr Sw, Grandville 49418 | (616) 532-8666 |
| Midwest Vibro Inc 3715 28th St Sw, Grandville 49418 | (616) 532-7670 |