| Business | Phone |
| Elliot Magnetek Power Systems 1547 E Racine Ave, Waukesha 53186 | (262) 548-8883 |
| Stagelight Waukesha 53186 | (262) 542-8652 |
| Sentra Protective Systems 714 Bluemound Rd, Waukesha 53188 | (262) 574-7777 |
| Fuju Semiconductor 2428 N Grandview Blvd, Waukesha 53188 | (262) 574-0185 |
| Midwest Terminal Supply 1429 E Main St D2, Waukesha 53186 | (262) 695-1020 |
| Magnasphere Corp N14w23777 Stone Ridge Dr, Waukesha 53188 | (262) 347-0711 |