| Business | Phone |
| Aat Communications 260 Regency Ct, Brookfield 53045 | (262) 780-1170 |
| All City Communications 4055 N 128th St, Brookfield 53005 | (262) 783-8800 |
| Sbc 17950 W Corporate Dr, Brookfield 53045 | (262) 792-4400 |
| Northpointe Communications 200 S Executive Dr, Brookfield 53005 | (262) 789-3166 |