| Business | Phone |
| Approved Safety & Security Inc 1015 Corby Blvd, South Bend 46617 | (574) 289-4071 |
| Astro-Guard 52205 Portage Rd, South Bend 46628 | (574) 272-6019 |
| Automated Building Components 17680 Hansom Ct, South Bend 46635 | (574) 277-3030 |
| Safety First Security Inc 2015 W Western Ave, South Bend 46629 | (574) 234-9600 |
| Sci Alarm Inc 51591 Indiana State Route 933, South Bend 46637 | (574) 277-3322 |
| Vanderheyden Distributing Inc 1843 Commerce Dr, South Bend 46628 | (574) 232-8291 |