| Securus Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Soverus Pte Ltd | Island Wide | - | SSS | SSS | Sengkang |
| SATS Ltd | Island Wide | - | OM | SSS | Sengkang |
| Inhouse Employer | West | In-House | OM | SSS | Sengkang |
| Security & Risk Solutions Pte. Ltd. | Central | In-House | RSOC/CAMS Op | SSO | Sengkang |
| Inhouse Employer | Island Wide | Construction | OM | SSS | Sengkang |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Sengkang |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Sengkang |
| Union Security Services Pte. Ltd. | North | Commercial | SS | SS | Sengkang |
| Artyzen Singapore | Central | Hotel | SS | SS | Sengkang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Sengkang |
| Certis Group | Island Wide | - | SSO | SS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SS | Sengkang |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Sengkang |
| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SSO | Sengkang |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Acestes Pte Ltd | East | Condominium | SO | SSO | Sengkang |
| Shangri-La Rasa Sentosa, Singapore | South | Hotel | OE | SS | Sengkang |
| SATS Ltd | Island Wide | - | Inves | Nil | Sengkang |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
