| Business | Phone |
| Advantage Security Systems 125 Fairfield Ave, Battle Creek 49015 | (269) 660-8067 |
| All-Secure Battle Creek 49015 | (269) 968-2294 |
| Asi Security 425 Presidential Dr, Battle Creek 49017 | (269) 965-1037 |
| B & E Security Systems 777 Goguac St W B5, Battle Creek 49015 | (269) 968-8779 |
| Comtronics Communications Div 6405 B Dr N, Battle Creek 49014 | (269) 979-2784 |
| Paul Fox 425 Presidential Dr, Battle Creek 49017 | (269) 660-8399 |