| Inhouse Employer | Central | Mix-Development | Security Mgt | SSO | Woodlands |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Inhouse Employer | Central | Hotel | SO | SSO | Woodlands |
| Resorts World Sentosa | South | Commercial | SS | SSS | Woodlands |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Inhouse Employer | Central | Hotel | SO | SSO | Woodlands |
| Inhouse Employer | Central | Hotel | SO | SSO | Woodlands |
| Inhouse Employer | Central | Hotel | SO | SSO | Woodlands |
| Inhouse Employer | East | School | SO | SSO | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Woodlands |
| Peregrine Security Pte. Ltd. | Central | Commercial | SS | SSS | Woodlands |
| PICO Guards Pte Ltd | Island Wide | - | OM | Nil | Woodlands |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Condominium | SO | SO | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | North | Commercial | SO | SO | Woodlands |
| Peregrine Security Pte. Ltd. | Central | Commercial | SS | SSS | Woodlands |
| Peregrine Security Pte. Ltd. | Central | Commercial | SS | SSS | Woodlands |
| Inhouse Employer | Central | In-House | SO | SSS | Woodlands |
| Security Masters Pte Ltd | Island Wide | - | SS | SSS | Woodlands |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Condominium | SO | SSO | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Woodlands |
| Securus Pte Ltd | North | Commercial | SO | SSO | Woodlands |
| Inhouse Employer | West | Industrial / Factory | SO | SSS | Woodlands |
