| Business | Phone |
| Advanced Communications Inc 3575 N Oakland Ave 12, Milwaukee 53211 | (414) 963-2980 |
| All City Communications Milwaukee 53202 | (414) 934-0175 |
| Novo 1 1845 N Farwell Ave, Milwaukee 53202 | (414) 271-7000 |
| Life-Tel Inc 10625 W North Ave # Ll, Milwaukee 53226 | (414) 778-5600 |
| Market Call Management 3031 N 114th St, Milwaukee 53222 | (414) 777-4848 |
| Market Motivators Inc 12040 W Feerick St, Milwaukee 53222 | (414) 578-3901 |
| Torcom Milwaukee 53202 | (414) 272-3494 |
| Sei Communications 6324 W North Ave, Milwaukee 53213 | (414) 727-1191 |
| Professionally Speaking 2609 W Morgan Ave, Milwaukee 53221 | (414) 817-9620 |
| Professionally Speaking 3942 N 76th St, Milwaukee 53222 | (414) 536-2289 |