| Business | Phone |
| Voice Choice Llc 2824 Woodridge Ct, Waukesha 53188 | (262) 522-8383 |
| Premiere Conferencing 1425 Summit Ave # 202, Waukesha 53188 | (262) 522-6720 |
| Novo 1 20825 Swenson Dr 200, Waukesha 53186 | (262) 827-6400 |
| Lucent Technologies 2325 Parklawn Dr # P, Waukesha 53186 | (262) 784-2273 |