| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| PICO Guards Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| PICO Guards Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| SATS Ltd | Island Wide | - | OM | SSS | Tampines |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| SATS Ltd | Island Wide | - | OM | SSS | Tampines |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| AETOS Holdings Pte Ltd | West | - | SO | SSO | Bukit Gombak |
| PICO Guards Pte Ltd | Island Wide | - | OM | Nil | Woodlands |
| Ademco Security Pte Ltd | Island Wide | - | OE | SS | Ang Mo Kio |
| Star Security Services | Island Wide | - | OE | Nil | Dover |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | Nil | Dover |
| Shine Security Agency Pte Ltd | Island Wide | - | OE | SS | Farrer Park |
| Inhouse Employer | Island Wide | - | OE | SS | Farrer Park |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | SO | Tampines East |
| Star Security Services | Island Wide | - | Security Mgt | CSO | Bukit Panjang |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Punggol |
| Acestes Pte Ltd | Island Wide | - | OM | SS | Punggol |
| SATS Ltd | Island Wide | - | OM | SS | Punggol |
