| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SS | Kranji |
| Octopus Distribution Networks Pte Ltd | East | In-House | SO | SSO | - |
| Hilton Garden Inn Singapore Serangoon | Central | In-House | SO | SO | - |
| SATS Ltd | Island Wide | - | OM | SO | Hougang |
| Inhouse Employer | South | Mix-Development | Security Mgt | SS | Bukit Panjang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Ranger Investigation & Security Services Pte Ltd | West | Construction | SO | SSS | Bukit Batok |
| IGC Security Services Pte Ltd | South | Commercial | SS | SSS | Pioneer |
| Inhouse Employer | Island Wide | Construction | OM | SS | Hougang |
| Inhouse Employer | Central | In-House | SSS | SSS | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | North | School | SO | SSO | Ang Mo Kio |
| AETOS Holdings Pte Ltd | Island Wide | Mix-Development | APO | Nil | Admiralty |
| SMS Security | East | Mix-Development | SSO | SSO | Potong Pasir |
| Metropolis Security Systems Pte Ltd | West | Industrial / Factory | SSO | SSO | Bukit Batok |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Bukit Panjang |
| ADT Integrated Security Solutions Pte. Ltd. | West | Commercial | SSO | SS | Jurong East |
| Dorsett Singapore | Central | Hotel | SSO | SO | Bedok |
| Young Women's Christian Association of Singapore | Central | In-House | SS | SSS | Marsiling |
| Mainguard Security Services Singapore Pte Ltd | Central | Gov Building | SS | SS | Choa Chu Kang |
| Bulls-Eye Security Services Pte Ltd | South | Gov Building | SO | SO | Hougang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Hougang |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Simei |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SO | CSO | Bedok |
