| Business | Phone |
| A Force One Security Inc 1323 N Ironwood Dr, South Bend 46615 | (574) 234-9091 |
| Akal Security Inc 204 S Main St # 104, South Bend 46601 | (574) 233-4667 |
| Electronic Counter Measures 637 E Fairview Ave, South Bend 46614 | (574) 233-8058 |
| Magnum Security Svc Inc 601 S Bend Ave, South Bend 46617 | (574) 232-9653 |
| Majestic Security 2012 Ironwood Cir, South Bend 46635 | (574) 243-8909 |
| Mikolajewski & Assoc Inc 325 S Summit Dr, South Bend 46619 | (574) 289-7226 |
| Pinkerton Burns Security 4708 Fellows St, South Bend 46614 | (574) 231-8012 |
| Safeguard Security South Bend 46617 | (574) 245-5226 |
| Securitas Security Svc Usa Inc 501 E Monroe St, South Bend 46601 | (574) 243-4957 |