| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSS | Tampines |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSS | Tampines |
| Crowne Plaza Changi Airport | East | Hotel | SSO | SSS | Tampines |
| Crowne Plaza Changi Airport | East | In-House | OE | SSO | Sengkang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSO | Sengkang |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SO | Bedok |
| Triple ‘S’ Protection Pte Ltd | East | Commercial | SSO | SSO | Bedok |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Bedok |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Yishun |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SSO | Simei |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Tampines |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Sengkang |
| Ranger Investigation & Security Services Pte Ltd | East | In-House | SSO | SO | Bukit Batok |
| Dragnet Smartech Security Pte Ltd | East | - | SSO | SO | Bukit Batok |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SSS | Dakota |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSS | Punggol |
| SATS Ltd | East | - | OE | CSO | Toa Payoh |
| Triple ‘S’ Protection Pte Ltd | East | Commercial | SS | SS | Hougang |
| SATS Ltd | East | - | OE | SS | Hougang |
| SATS Ltd | East | - | OE | CSO | Marsiling |
| SATS Ltd | East | - | OE | CSO | Marsiling |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | CSO | Marsiling |
| Prosec Services Pte Ltd | East | Data Centre | SSS | CSO | Marsiling |
| Crowne Plaza Changi Airport | East | In-House | OE | CSO | Sengkang |
