| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SS | Choa Chu Kang |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Choa Chu Kang |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SS | Choa Chu Kang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Choa Chu Kang |
| TwinRock Global | Central | - | Security Mgt | SS | Choa Chu Kang |
| Star Security Services | Island Wide | - | Security Mgt | SS | Choa Chu Kang |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SS | Choa Chu Kang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Choa Chu Kang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| PICO Guards Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Shine Security Agency Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Strive Security Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Strive Security Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Star Security Services | Island Wide | - | OE | SS | Woodlands |
| Mainguard Security Services (S) Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Stalwart Security Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | SS | Woodlands |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SS | Woodlands |
