| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Yishun |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Bukit Panjang |
| AETOS Holdings Pte Ltd | West | - | SO | SO | Sengkang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Bukit Panjang |
| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SS | Ang Mo Kio |
| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SS | Yishun |
| Inhouse Employer | Central | In-House | SO | SSS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SSO | Woodlands |
| PICO Guards Pte Ltd | Central | Commercial | SSS | SSS | Potong Pasir |
| Star Security Services | Island Wide | - | Security Mgt | SS | Pioneer |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SS | SS | Marsiling |
| Inhouse Employer | East | In-House | SO | SSO | Simei |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Inhouse Employer | West | School | OE | SS | Pioneer |
| Acestes Pte Ltd | Central | - | Security Mgt | CSO | Pasir Ris |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | SO | Woodlands |
| Inhouse Employer | Island Wide | Construction | OM | CSO | Boon Lay |
| Soverus Pte Ltd | Central | Commercial | SSO | SS | Buona Vista |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Choa Chu Kang |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Inhouse Employer | South | In-House | SO | SSO | - |
