| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SO | Woodlands |
| Inhouse Employer | South | In-House | SO | SO | Jurong East |
| Strive Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Boon Lay |
| Inhouse Employer | Central | Hotel | SO | SSO | Bukit Batok |
| RAS Security Pte Ltd | North | Commercial | SSO | SO | Clementi |
| Certis Group | Island Wide | - | SSO | SSO | Choa Chu Kang |
| Inhouse Employer | South | Hotel | SS | SS | Woodlands |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SS | SS | Marsiling |
| Soverus Pte Ltd | Central | Data Centre | SSS | SSS | Yishun |
| Metropolis Security Systems Pte Ltd | Central | Condominium | SS | CSO | Toa Payoh |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Pasir Ris |
| Inhouse Employer | Central | Country Club | OM | SO | Tampines |
| Strive Security Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
| Inhouse Employer | West | In-House | OM | SSS | Sengkang |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Woodlands |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SS | SS | Aljunied |
| Securus Pte Ltd | East | Condominium | SS | SS | Aljunied |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Ang Mo Kio |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Reachfield Security & Safety Management Pte Ltd | North | School | SO | SO | Woodlands |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Bulls-Eye Security Services Pte Ltd | East | Healthcare | SO | SO | Bukit Gombak |
