| Hawkeye Security Solutions Pte Ltd | Central | Condominium | SSO | SSO | Bukit Batok |
| Metropolis Security Systems Pte Ltd | Central | Condominium | SO | SO | Mountbatten |
| Straits Retail Property Management Services Pte. Ltd. | Central | In-House | SO | SS | Pioneer |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SS | Tampines |
| York Hotel (Private) Limited | Central | In-House | OM | CSO | Marsiling |
| Certis Group | East | - | SO | SO | Pasir Ris |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | SSS | Tampines |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Toa Payoh |
| Strive Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Focus Security Services Pte Ltd | West | Condominium | SS | SS | - |
| Aigle Security Pte Ltd | East | Condominium | SSO | SSO | Pasir Ris |
| RAS Security Pte Ltd | North | Commercial | SSO | SSO | Buona Vista |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SS | Pasir Ris |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Choa Chu Kang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSO | Admiralty |
| Ranger Investigation & Security Services Pte Ltd | South | In-House | SS | SS | MacPherson |
| Soverus Pte Ltd | Island Wide | - | OE | SSS | Toa Payoh |
| AGS Integration Pte. Ltd. | West | In-House | SS | SO | Woodlands |
| TwinRock Global | Central | - | Security Mgt | SS | Choa Chu Kang |
| Inhouse Employer | North | Industrial / Factory | SSO | SO | Yishun |
| Inhouse Employer | East | School | SO | SSO | Punggol |
| Eagle I Security Services Pte Ltd | Island Wide | - | SS | SS | Woodlands |
| Eagle I Security Services Pte Ltd | East | Commercial | SO | SO | Tampines |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | CSO | Toa Payoh |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Toa Payoh |
