| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SO | Yishun |
| Brink's Singapore Pte Ltd | East | - | SO | SO | Pasir Ris |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Condominium | SO | SO | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | North | Commercial | SO | SO | Woodlands |
| Artyzen Singapore | Central | Hotel | SO | SO | Sengkang |
| Acestes Pte Ltd | Central | - | Security Mgt | SO | Tampines |
| Elid Technology International Pte Ltd | West | Condominium | SO | SO | Choa Chu Kang |
| TwinRock Global | North | Dormitory | SO | SO | Admiralty |
| Inhouse Employer | Central | In-House | SO | SO | Telok Blangah |
| Resorts World Sentosa | South | Commercial | SO | SO | Telok Blangah |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SO | Tampines |
| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SO | Tampines |
| Force-One Security | North | Data Centre | OE | SO | Tampines |
| SATS Ltd | Island Wide | - | OM | SO | Tampines |
| Triple ‘S’ Protection Pte Ltd | North | Shipyard / Port | SO | SO | Yishun |
| Inhouse Employer | East | School | SO | SO | Bedok |
| Inhouse Employer | East | School | SO | SO | Bedok |
| Inhouse Employer | East | In-House | SO | SO | Bedok |
| Inhouse Employer | East | School | SO | SO | Bedok |
| Inhouse Employer | East | School | SO | SO | Bedok |
| Inhouse Employer | East | In-House | SO | SO | Bedok |
| York Hotel (Private) Limited | Central | In-House | SO | SO | Bedok |
| Inhouse Employer | Central | In-House | SO | SO | Bedok |
| Inhouse Employer | East | In-House | SO | SO | Bedok |
| MCST | North | In-House | SO | SO | Bedok |
