| PICO Guards Pte Ltd | South | Commercial | SSS | SSS | Choa Chu Kang |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSS | Choa Chu Kang |
| Prosec Services Pte Ltd | East | Retail | SSO | SSS | Yishun |
| Force-One Security | North | Data Centre | SS | SSS | Ang Mo Kio |
| Jasa Investigation & Security Services Pte Ltd | East | Commercial | SO | SSS | Punggol |
| Regal Security & Fire Management Services Pte Ltd | East | Condominium | SO | SSS | Punggol |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SSS | Sengkang |
| RAS Security Pte Ltd | North | In-House | Office Team | SSS | Sengkang |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SSS | Sengkang |
| Inhouse Employer | Island Wide | Construction | OM | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Bukit Panjang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Bukit Panjang |
| Ademco Security Pte Ltd | Island Wide | - | OM | SSS | Bukit Panjang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Tampines West |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SSS | Tampines West |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Tampines West |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Telok Blangah |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SSS | Sengkang |
| Inhouse Employer | Island Wide | Construction | OM | SSS | Dover |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Telok Blangah |
| Securus Pte Ltd | Island Wide | Commercial | OE | SSS | Tampines West |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SSS | Tampines West |
| Legion Protection Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
| M Social Singapore | Central | Hotel | OE | SSS | Tampines West |
| Strive Security Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
