| Business | Phone |
| Becker's Electronics 4439 Old Colony Rd, Kalamazoo 49008 | (269) 342-5200 |
| Securitas Security Svc Usa Inc 5111 Miller Rd, Kalamazoo 49048 | (269) 345-2076 |
| Guardian Security Svc 1005 Foster Ave, Kalamazoo 49048 | (269) 345-0243 |
| Hitech Rentals 517 N 8th St, Kalamazoo 49009 | (269) 488-2438 |