| Business | Phone |
| Blackmer 1809 Century Ave Sw, Grand Rapids 49503 | (616) 241-1611 |
| Corrosion Fluid Products 4475 Airwest Dr Se, Grand Rapids 49512 | (616) 554-9100 |
| H & R Industries Inc 3020 Stafford Ave Sw, Grand Rapids 49548 | (616) 247-1165 |
| Monarch Hydraulics Inc 1363 Michigan St Ne, Grand Rapids 49503 | (616) 458-1306 |