| Oneberry Technologies Pte Ltd | East | School | SSS | SSS | Marsiling |
| Acestes Pte Ltd | Central | - | Security Mgt | SO | Tampines |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Stalwart Security Pte Ltd | Island Wide | - | OE | SS | Tampines |
| Inhouse Employer | Central | In-House | SSS | SSS | Toa Payoh |
| AGS Integration Pte. Ltd. | Island Wide | - | SS | SS | Punggol |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Sengkang |
| Ademco Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| York Hotel (Private) Limited | Central | In-House | OM | SO | Yishun |
| Peregrine Security Pte. Ltd. | Central | Commercial | SS | SSS | Woodlands |
| SATS Ltd | Island Wide | - | Inves | CSO | Marsiling |
| Certis Group | Island Wide | - | SSO | SS | Admiralty |
| Artyzen Singapore | Central | Hotel | SS | CSO | Sengkang |
| Star Security Services | Island Wide | - | Security Mgt | SSS | Woodlands |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Condominium | SO | SSO | Woodlands |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SSS | Jurong East |
| PICO Guards Pte Ltd | Island Wide | - | OE | SS | - |
| Inhouse Employer | Island Wide | Construction | OM | CSO | Boon Lay |
| Inhouse Employer | East | School | SO | SO | Pasir Ris |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Bukit Panjang |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| GCH Pte. Ltd. | Central | In-House | SSO | SS | Yishun |
| Premier Security Co-operative Ltd | Central | Commercial | SSO | SS | Farrer Park |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Industrial / Factory | SSS | SSO | Simei |
| Legion Protection Pte Ltd | Island Wide | - | OE | SO | Bukit Batok |
