| Business | Phone |
| Apw Erie N22w23685 Ridgeview Pkwy W, Waukesha 53188 | (262) 523-7600 |
| Bear Electronics Inc 21375 Birdseye Ln, Waukesha 53186 | (262) 798-0203 |
| Berenson Associates S40w27057 Heather Ct, Waukesha 53189 | (262) 544-5411 |
| Cooper Power Systems Inc 1319 Lincoln Ave, Waukesha 53186 | (262) 549-5000 |
| Cooper Power Systems Inc 2300 Badger Dr, Waukesha 53188 | (262) 547-3846 |
| Crane Production Systems N22w22931 Nancys Ct, Waukesha 53186 | (262) 513-8300 |
| Electronic Tele-Communications 1915 Mac Arthur Rd, Waukesha 53188 | (262) 542-5600 |
| Red Lion Controls Waukesha 53189 | (262) 662-5598 |
| Genco Industries Inc 209 Wilmont Dr, Waukesha 53189 | (262) 548-8890 |