| Business | Phone |
| Able Security Systems Inc 7441 W Greenfield Ave, Milwaukee 53214 | (414) 453-4340 |
| Alarmtronics-Auto Alarm Instl 855 S 84th St, Milwaukee 53214 | (414) 475-9229 |
| Alarmtronix 6510 River Pkwy, Milwaukee 53213 | (414) 607-0389 |
| Alarmtronix Super Store 8330 W Becher St, Milwaukee 53219 | (414) 321-5555 |
| Alliant Energy Resources Hm 11360 W Theodore Trecker Way, Milwaukee 53214 | (414) 476-9000 |
| Car-Feteria Auto Stereo's 6767 N Teutonia Ave, Milwaukee 53209 | (414) 352-3510 |
| Cse & Assoc 8687 N 107th St, Milwaukee 53224 | (414) 371-0688 |
| Defender Security Co Milwaukee 53202 | (414) 225-1005 |
| Electro Installation 4406 N 82nd St, Milwaukee 53218 | (414) 578-1479 |
| Home Protective Svc 7833 W Capitol Dr 2, Milwaukee 53222 | (414) 466-3440 |
| Loss Prevention Systems Milwaukee 53217 | (414) 332-5657 |
| Mach-7 Security Inc 6450 W Fond Du Lac Ave, Milwaukee 53218 | (414) 438-4601 |
| Midwest Security & Fire 9733 W Greenfield Ave 202, Milwaukee 53214 | (414) 727-1946 |
| Milwaukee Alarm Inc 214 E Florida St, Milwaukee 53204 | (414) 271-8800 |
| Shield Security Systems Llc 7251 W North Ave, Milwaukee 53213 | (414) 607-6990 |
| Radburn Systems 4826 W Forest Home Ave, Milwaukee 53219 | (414) 328-5656 |
| Milwaukee Alarms Po Box 856, Milwaukee 53201 | (414) 289-9000 |