| Business | Phone |
| Grand Rapids Building Svc Inc 1200 Front Ave Nw, Grand Rapids 49504 | (616) 451-2064 |
| Akal Security 1114 Pinewood Dr Nw, Grand Rapids 49534 | (616) 791-9730 |
| Alert Investigations Ltd 421 Leonard St Nw, Grand Rapids 49504 | (616) 459-0153 |
| Bill Brown Security Consultant Po Box 140544, Grand Rapids 49514 | (616) 791-8544 |
| Campus Safety Emergency Calls 1607 Robinson Rd Se, Grand Rapids 49506 | (616) 732-4474 |
| Casey Investigations Po Box 7097, Grand Rapids 49510 | (616) 243-6225 |
| D & R Security Inc 123 Wealthy St, Grand Rapids 49503 | (616) 774-4011 |
| D K Security 5160 Falcon View Ave Se, Grand Rapids 49512 | (616) 656-0123 |
| Elite Security Svc Inc 1545 Richmond St Nw, Grand Rapids 49504 | (616) 791-7699 |
| Force Protection Group 801 Broadway Ave Nw, Grand Rapids 49504 | (616) 233-4004 |
| Guardsmark Inc 507 36th St Se, Grand Rapids 49548 | (616) 243-8750 |
| Cooper-Wheelock 4880 Northview Ave Ne, Grand Rapids 49525 | (616) 447-9841 |
| Wackenhut Corp 1444 Michigan St Ne, Grand Rapids 49503 | (616) 336-8094 |
| Terrell Private Patrol 1406 Ball Ave Ne, Grand Rapids 49505 | (616) 454-4350 |
| Securitas Security Svc Usa Inc 1695 Service Rd Ne, Grand Rapids 49503 | (616) 456-5464 |
| Personal Protection & Stalking Grand Rapids 49503 | (616) 451-8626 |
| Omni Identity Of North America 40 Monroe Center St Nw # 200, Grand Rapids 49503 | (616) 451-6160 |
| Nation Wide Security Inc 2680 Horizon Dr Se F5, Grand Rapids 49546 | (616) 942-8300 |