| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Certis Group | Island Wide | - | SSO | SS | Sengkang |
| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SS | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | SSO | SS | Sengkang |
| Inhouse Employer | East | In-House | SO | SS | Sengkang |
| Inhouse Employer | North | In-House | SO | SS | Sengkang |
| Dragnet Smartech Security Pte Ltd | Central | - | Security Mgt | SS | Woodlands |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | SS | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SS | Yishun |
| PICO Guards Pte Ltd | North | Data Centre | SS | SS | Yishun |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SS | SS | Yishun |
| Inhouse Employer | Central | Hotel | SO | SS | Marsiling |
| Mahesh | Central | In-House | SO | SS | Aljunied |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SS | Jurong East |
| RAS Security Pte Ltd | North | In-House | Office Team | SS | Jurong East |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Woodlands |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SS | Woodlands |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| Stalwart Security Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Securus Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| PICO Guards Pte Ltd | Island Wide | - | OE | SS | Woodlands |
