| Business | Phone |
| Telephone Alarm Systems 1325 Turner St, Lansing 48906 | (517) 367-0785 |
| Telephone Alarm Systems 410 Business Center Dr 17, Lansing 48917 | (517) 482-1441 |
| Safety Systems Inc 2075 Glenn St, Lansing 48906 | (517) 484-3072 |
| Reliable Alarms 6810 S Cedar St, Lansing 48911 | (517) 694-0033 |
| Interstate Electronic Security 5915 S Cedar St, Lansing 48911 | (517) 887-6676 |