| Inhouse Employer | West | Industrial / Factory | SO | SSO | Bukit Gombak |
| Inhouse Employer | West | In-House | OM | SSS | Sengkang |
| M Social Singapore | Central | Hotel | OE | SS | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Tampines |
| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
| Soverus Pte Ltd | Island Wide | - | SSO | SSO | Choa Chu Kang |
| A-SAT Pte Ltd | North | Mix-Development | SSO | SS | Woodlands |
| Chang & Chang Security Management Pte. Ltd. | East | Condominium | SS | SO | Tampines |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| First Security & Private Investigation (Singapore) Pte Ltd | South | Condominium | SS | SS | Choa Chu Kang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | CSO | Choa Chu Kang |
| Dragnet Smartech Security Pte Ltd | Central | - | Security Mgt | CSO | Pasir Ris |
| SATS Ltd | Island Wide | - | OM | SSS | Tampines |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| SATS Ltd | Island Wide | - | OM | Nil | Tampines |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| SATS Ltd | Island Wide | - | OM | SS | Toa Payoh |
| Dragnet Smartech Security Pte Ltd | South | Mix-Development | SSS | CSO | Sembawang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Resorts World Sentosa | South | Commercial | SO | SO | - |
| Inhouse Employer | Central | School | SO | SO | Bras Basah |
| Certis Group | Island Wide | - | SSO | SSO | Choa Chu Kang |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | SSS | Woodlands |
| Soverus Pte Ltd | Island Wide | - | SSS | CSO | Marsiling |
