| Business | Phone |
| Wisconsin Essential Computer Waukesha 53186 | (262) 844-6603 |
| Compu Com Systems Inc 20720 Watertown Rd, Waukesha 53186 | (262) 798-1820 |
| Cubic Solutions W229n1433 Westwood Dr 203, Waukesha 53186 | (414) 529-9608 |
| Decision One 20900 Swenson Dr 900, Waukesha 53186 | (262) 798-9070 |