| Business | Phone |
| Arjay Automation 6526 River Pkwy, Milwaukee 53213 | (414) 727-9718 |
| Ken Cope Assoc 9431 W Beloit Rd 118, Milwaukee 53227 | (414) 321-5588 |
| Touch Automation 241 N Broadway, Milwaukee 53202 | (414) 287-1026 |
| Touch Automation 413 N 2nd St, Milwaukee 53203 | (414) 287-0326 |
| Quality Process Control Inc 824 S 60th St, Milwaukee 53214 | (414) 454-0848 |