| Business | Phone |
| A O Smith Corp 12100 W Park Pl, Milwaukee 53224 | (414) 359-4200 |
| Advanced Clinical Research 2901 W Kinnickinnic River Pkwy, Milwaukee 53215 | (414) 385-2490 |
| Great Lakes Water Inst 600 E Greenfield Ave, Milwaukee 53204 | (414) 382-1700 |
| Keyser Scientific Svc 659 N 78th St, Milwaukee 53213 | (414) 727-2525 |
| United Brothers Growth Dev Po Box 091061, Milwaukee 53209 | (414) 354-4712 |
| Solutia 5225 N Ironwood Ln, Milwaukee 53217 | (414) 963-4666 |
| Physiogenix Inc 10437 W Innovation Dr, Milwaukee 53226 | (414) 771-7469 |