| Company Name | Reviews | Rating |
|---|---|---|
| Landmark Protection | 3 | 4.3/5.0 |
| IndigoVision | 2 | 5.0/5.0 |
| SECOM (Japan) | 1 | 4.0/5.0 |
| Petards Group | 1 | 4.0/5.0 |
| Bell Group | 2 | 4.5/5.0 |
| Electronics Line | 1 | 4.0/5.0 |
| Cross Match Technologies | 1 | 5.0/5.0 |
| Securitas | 2 | 4.5/5.0 |
| Xenotronics | 2 | 4.5/5.0 |
| Yale Associates | 2 | 5.0/5.0 |
| Jackson Safety | 2 | 4.5/5.0 |
| OpSec Security Group | 2 | 4.5/5.0 |
| George Risk | 1 | 4.0/5.0 |
| Firecom | 1 | 5.0/5.0 |
| Brink’s, Incorporated | 2 | 4.0/5.0 |
| MSGI | 2 | 4.5/5.0 |
| Aearo | 1 | 5.0/5.0 |
| Point Blank Solutions | 3 | 5.0/5.0 |
| Avalon Correctional Services | 1 | 4.0/5.0 |
| Kroll Background Screening | 2 | 5.0/5.0 |
| Axcess International Inc. | 1 | 5.0/5.0 |
| Winner International | 1 | 4.0/5.0 |
| Protection 1 | 1 | 5.0/5.0 |
| The GEO Group | 2 | 4.0/5.0 |
| Ident-a-Kid Services | 2 | 5.0/5.0 |
| Mace Security | 3 | 4.3/5.0 |
| Monitor Dynamics | 1 | 5.0/5.0 |
| Command Security | 2 | 4.0/5.0 |
| Landauer | 3 | 4.0/5.0 |
| BI Incorporated | 1 | 5.0/5.0 |
| Napco Security | 2 | 4.5/5.0 |
| Bosch Sicherheitssysteme | 1 | 4.0/5.0 |
| Checkpoint Systems | 2 | 5.0/5.0 |
| Vicon Industries | 2 | 4.5/5.0 |
| G4S Secure Solutions | 2 | 5.0/5.0 |