| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Hougang |
| Peregrine Security Pte. Ltd. | Central | Commercial | SS | SS | Sengkang |
| Labourtel Management Corporation Pte Ltd | West | Dormitory | CSO | CSO | Woodlands |
| Acestes Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Punggol |
| Inhouse Employer | Central | Hotel | SS | SS | Marsiling |
| SMS Investigation & Security Pte Ltd | Central | - | OM | CSO | Tampines |
| SATS Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| Securus Pte Ltd | Island Wide | Commercial | OE | SSO | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SO | SO | Tai Seng |
| William Secure Solutions Pte Ltd | East | Condominium | SO | SO | Sengkang |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Toa Payoh |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Lakeside |
| TwinRock Global | Central | - | Security Mgt | SSO | MacPherson |
| Inhouse Employer | Central | Hotel | SSO | SO | Jurong East |
| TwinRock Global | Central | - | Security Mgt | SSS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Woodlands |
| Inhouse Employer | Island Wide | Construction | OM | SSO | Choa Chu Kang |
| Inhouse Employer | Central | In-House | SS | SS | Hougang |
| Elid Technology International Pte Ltd | East | Condominium | SO | SO | Pasir Ris |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Yishun |
| Triple ‘S’ Protection Pte Ltd | Central | Commercial | SSO | SS | Buona Vista |
| G4S Secure Solutions (Singapore) Pte Ltd | South | School | SO | SO | Clementi |
| Inhouse Employer | Central | In-House | SS | SS | HarbourFront |
