| SATS Ltd | Island Wide | - | OM | CSO | Yishun |
| Certis Group | Island Wide | - | SO | CSO | Yishun |
| PICO Guards Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Inhouse Employer | Island Wide | Construction | OM | SS | Pioneer |
| SATS Ltd | Island Wide | - | OM | SS | Pioneer |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SS | Pioneer |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Pioneer |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SO | Woodlands |
| SATS Ltd | Island Wide | - | OM | SSS | Ang Mo Kio |
| Inhouse Employer | Island Wide | Construction | OM | SS | Tampines |
| Inhouse Employer | Island Wide | Construction | OM | SSO | Hougang |
| PICO Guards Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SSS | Woodlands |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| Inhouse Employer | Island Wide | Construction | OM | SSS | Woodlands |
| SATS Ltd | Island Wide | - | OM | SSS | Commonwealth |
| Aedge Services Pte Ltd | Island Wide | - | OM | SSS | Commonwealth |
| Inhouse Employer | Island Wide | Construction | OM | SSS | Commonwealth |
| Certis Group | Island Wide | - | SSO | SSO | Choa Chu Kang |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Choa Chu Kang |
| SATS Ltd | Island Wide | - | OM | SS | Toa Payoh |
