| Primesafe Security & Investigation Pte Ltd | Island Wide | - | OE | CSO | Bukit Panjang |
| Ranger Investigation & Security Services Pte Ltd | Island Wide | - | SS | CSO | Bukit Panjang |
| Ranger Investigation & Security Services Pte Ltd | South | - | SS | CSO | Bukit Panjang |
| Inhouse Employer | South | Mix-Development | OE | CSO | Bukit Panjang |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Bukit Panjang |
| A-SAT Pte Ltd | Island Wide | - | SSO | CSO | Bukit Panjang |
| A-SAT Pte Ltd | Island Wide | - | SSO | CSO | Bukit Panjang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Sengkang |
| Inhouse Employer | Island Wide | Construction | OM | CSO | Boon Lay |
| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
| Aedge Services Pte Ltd | Island Wide | - | OM | CSO | Bukit Batok |
| Inhouse Employer | Island Wide | Construction | OM | CSO | Bukit Batok |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | CSO | Boon Lay |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | CSO | Upper Changi |
| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
| Aedge Services Pte Ltd | Island Wide | - | OM | CSO | Bukit Batok |
| Ranger Investigation & Security Services Pte Ltd | East | In-House | SSO | CSO | Bedok |
| Inhouse Employer | Central | Mix-Development | OE | CSO | Bedok |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Eagle I Security Services Pte Ltd | East | - | SO | CSO | Bedok |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SS | CSO | Bedok |
| Inhouse Employer | West | In-House | OM | CSO | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | CSO | Bedok |
| Inhouse Employer | Island Wide | Construction | OM | CSO | Yishun |
