| Business | Phone |
| Collins Design 9090 N 51st St, Milwaukee 53223 | (414) 354-2200 |
| Mc Calla Lackey Assoc Inc 316 N Milwaukee St, Milwaukee 53202 | (414) 272-7569 |
| Tpi Technology Group Inc 10437 W Innovation Dr 219, Milwaukee 53226 | (414) 456-0300 |
| Muderlak Design 207 E Buffalo St, Milwaukee 53202 | (414) 272-4668 |
| Physical System Inc 734 W Mckinley Ave, Milwaukee 53205 | (414) 272-0104 |