| Business | Phone |
| Design Air 11225 W Mitchell St, Milwaukee 53214 | (414) 258-7444 |
| Rmj Corp 4388 S Kansas Ave, Milwaukee 53235 | (414) 481-0502 |
| Motion Engineering Corp 1823 S Kinnickinnic Ave, Milwaukee 53204 | (414) 389-1778 |
| Milwaukee Trane Parts Ctr 11400 W Theodore Trecker Way, Milwaukee 53214 | (414) 266-5201 |
| Radyne Corp 211 W Boden St, Milwaukee 53207 | (414) 481-8360 |