| Orchid Hotel Private Limited | Central | In-House | OM | SS | Kranji |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SS | Ang Mo Kio |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SS | Yishun |
| Force-One Security | North | Data Centre | SS | SS | Bishan |
| Metropolis Security Systems Pte Ltd | Central | Condominium | SS | SS | Khatib |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Yishun |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SS | Yishun |
| SATS Ltd | Island Wide | - | OM | SS | Yishun |
| PICO Guards Pte Ltd | Island Wide | - | OE | SS | Yishun |
| Star Security Services | Island Wide | - | Security Mgt | SS | Kranji |
| Furama RiverFront, Singapore | South | Hotel | OE | SS | - |
| Metropolis Security Systems Pte Ltd | East | Condominium | SS | SS | Simei |
| Sands Global Pte Ltd | East | Dormitory | SO | SS | Punggol |
| Acestes Pte Ltd | Central | - | Security Mgt | SS | Sengkang |
| Star Security Services | Island Wide | - | Security Mgt | SS | Sengkang |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Sengkang |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Kranji |
| SMS Security | East | Commercial | SSO | SS | Simei |
| Inhouse Employer | North | In-House | SO | SS | Yishun |
| Pan Pacific Singapore | South | In-House | Security Mgt | SS | Kranji |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Pioneer |
