| Securus Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Sengkang |
| Inhouse Employer | Central | Mix-Development | OE | SS | Sengkang |
| Furama RiverFront, Singapore | South | Hotel | OE | SS | Sengkang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SSS | SSS | Sengkang |
| Strive Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| PICO Guards Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| SATS Ltd | East | - | OE | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSS | Sengkang |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| SATS Ltd | Island Wide | - | OM | SSS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Sengkang |
| William Secure Solutions Pte Ltd | East | Condominium | SO | SSO | Sengkang |
| First Security & Private Investigation (Singapore) Pte Ltd | East | Condominium | SSO | SSO | Sengkang |
| Titanium Safety & Security Pte Ltd | North | Dormitory | SO | SSO | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
