| Inhouse Employer | East | In-House | SO | SO | - |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Focus Security Services Pte Ltd | West | Industrial / Factory | SSO | SSO | Jurong East |
| Pedro Investigations & Security Services Pte. Ltd. | Central | Industrial / Factory | SO | SS | Tuas Link |
| Inhouse Employer | Central | Healthcare | OE | SSO | Serangoon |
| Union Security Services Pte. Ltd. | North | Commercial | SS | SS | Sengkang |
| GATES PCM Integrated Services Pte Ltd | West | School | SO | SO | Woodlands |
| Inhouse Employer | East | School | SO | SO | Pasir Ris |
| Inhouse Employer | Central | Hotel | SS | SS | Hougang |
| Prosec Services Pte Ltd | East | Data Centre | SO | SO | Pasir Ris |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | Nil | - |
| SATS Ltd | Island Wide | - | OM | CSO | Queenstown |
| Artyzen Singapore | Central | Hotel | SS | SS | Farrer Park |
| Star Security Services | Island Wide | - | OE | CSO | Pasir Ris |
| Inhouse Employer | Central | Hotel | SO | SS | Pioneer |
| Union Security Services Pte. Ltd. | Central | Industrial / Factory | SS | SS | Hougang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Pioneer |
| Premier Security Co-operative Ltd | South | Commercial | SS | SSS | Tanjong Pagar |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SSS | Tampines West |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Prosegur Singapore Pte Ltd | South | Commercial | SO | SO | Hougang |
| Inhouse Employer | Island Wide | Construction | OM | CSO | Bukit Batok |
| Inhouse Employer | Central | Hotel | SS | SSS | Woodlands |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Pasir Ris |
| Inhouse Employer | West | In-House | OM | CSO | Toa Payoh |
