| Business | Phone |
| Micros Hospitality Systems 4247 N 35th St, Milwaukee 53216 | (414) 447-6200 |
| Datacom Network Consulting Milwaukee 53223 | (414) 354-5444 |
| Dpi Supply 4465 N Oakland Ave, Milwaukee 53211 | (414) 332-1214 |
| Modern Cash Register Inc 8023 W National Ave, Milwaukee 53214 | (414) 257-2007 |
| Northwestern Cash Register Inc 2040 W Wisconsin Ave, Milwaukee 53233 | (414) 344-0128 |