| Inhouse Employer | West | In-House | OM | CSO | Boon Lay |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SS | Geylang Bahru |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Pasir Ris |
| Inhouse Employer | Central | In-House | SO | SSS | MacPherson |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Yishun |
| Premier Security Co-operative Ltd | Island Wide | - | SSO | SSO | Bedok North |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Managment | CSO | Toa Payoh |
| SATS Ltd | Island Wide | - | OM | Nil | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Boon Lay |
| Inhouse Employer | West | In-House | OM | CSO | Marsiling |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Bedok North |
| SMS Investigation & Security Pte Ltd | Island Wide | - | SSO | SO | Bukit Batok |
| Jasa Investigation & Security Services Pte Ltd | East | Condominium | SSO | SSO | Bedok North |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Security Masters Pte Ltd | Central | - | Security Mgt | SSS | Tampines |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Punggol |
| Orchid Hotel Private Limited | Central | In-House | OM | SSO | Marsiling |
| Hilton Garden Inn Singapore Serangoon | Central | In-House | SO | SO | Woodlands |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SO | Yishun |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Choa Chu Kang |
| Premier Security Co-operative Ltd | Island Wide | - | SSO | Nil | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | North | School | SO | SSO | Sengkang |
| SMS Investigation & Security Pte Ltd | South | Commercial | SS | SS | Aljunied |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Jasa Investigation & Security Services Pte Ltd | East | Commercial | SO | SO | Simei |
