| Business | Phone |
| Advance Hydraulics Inc 4630 S Brust Ave 400, Milwaukee 53235 | (414) 481-1545 |
| Force Hydraulics 2122 W Burnham St, Milwaukee 53204 | (414) 384-5058 |
| J M Grimstad Inc 1001 S 84th St, Milwaukee 53214 | (414) 258-5200 |
| Sunsource Co 11928 W Silver Spring Dr, Milwaukee 53225 | (414) 536-4101 |