| Inhouse Employer | Central | In-House | SSS | CSO | Woodlands |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Woodlands |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SO | Woodlands |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SO | Woodlands |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SO | Woodlands |
| Acestes Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| Orchid Hotel Private Limited | Central | In-House | OM | SO | Woodlands |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SO | Woodlands |
| SATS Ltd | Island Wide | - | OM | SO | Woodlands |
| Securus Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| Fervour Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| SATS Ltd | Island Wide | - | Inves | SO | Woodlands |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SO | Woodlands |
| Acestes Pte Ltd | Central | - | Security Mgt | SO | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | SO | Woodlands |
| TwinRock Global | Central | - | Security Mgt | SO | Woodlands |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SO | Woodlands |
| Star Security Services | Island Wide | - | Security Mgt | SO | Woodlands |
| Inhouse Employer | West | In-House | OM | SO | Woodlands |
| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Woodlands |
| Inhouse Employer | West | In-House | OM | CSO | Woodlands |
| Ranger Investigation & Security Services Pte Ltd | Central | Condominium | SO | SSO | Woodlands |
| PICO Guards Pte Ltd | Island Wide | - | OM | Nil | Woodlands |
