| ONE°15 Marina Sentosa Cove, Singapore | South | In-House | OE | SS | Jurong East |
| Dragnet Smartech Security Pte Ltd | Central | Condominium | SS | SS | Woodlands |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Hougang |
| Inhouse Employer | West | In-House | OM | SSS | Sengkang |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Toa Payoh |
| Peregrine Security Pte. Ltd. | North | Industrial / Factory | SSO | SS | Woodlands |
| First Security & Private Investigation (Singapore) Pte Ltd | West | Condominium | SSO | SSO | Choa Chu Kang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | CSO | Tampines |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Industrial / Factory | SO | SO | Potong Pasir |
| Force-One Security | North | Data Centre | OE | SO | Tampines |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Inhouse Employer | South | Hotel | SO | SO | Bedok |
| Star Security Services | Island Wide | - | Security Mgt | CSO | Bukit Panjang |
| Inhouse Employer | West | In-House | OM | Nil | Dover |
| PICO Guards Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Star Security Services | Island Wide | - | Security Mgt | SSS | Woodlands |
| Fervour Pte Ltd | Central | Data Centre | SO | SO | Novena |
| Acestes Pte Ltd | Central | - | Security Mgt | SS | Bukit Batok |
| SATS Ltd | Island Wide | - | OM | SSS | Dover |
| Fervour Pte Ltd | North | Data Centre | SO | SO | - |
| SATS Ltd | Island Wide | - | OM | SS | Woodlands |
| Metropolis Security Systems Pte Ltd | Central | Condominium | SS | SS | Jurong East |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Crowne Plaza Changi Airport | East | In-House | OM | SSS | Tampines |
