| Danmax Security Management Pte Ltd | East | - | OE | CSO | Bedok |
| Singapore Security Force Pte Ltd | Central | Mix-Development | SSO | SS | Aljunied |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Pasir Ris |
| PICO Guards Pte Ltd | Island Wide | - | OE | SSS | Bedok |
| SATS Ltd | Island Wide | - | OM | Nil | Hougang |
| Uniforce Security Services Pte Ltd | East | School | SSO | SSO | Bukit Batok |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SO | SSO | Woodlands |
| Resorts World Sentosa | South | Commercial | SO | Nil | Jurong East |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SO | SSO | Simei |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | Bukit Batok |
| Uniforce Security Services Pte Ltd | Central | - | SSO | SS | Bukit Panjang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | Nil | Toa Payoh |
| Peregrine Security Pte. Ltd. | Central | - | SSO | CSO | Marsiling |
| ONE°15 Marina Sentosa Cove, Singapore | Central | Hotel | SO | SO | Jurong East |
| Dragnet Smartech Security Pte Ltd | Central | - | Security Mgt | Nil | Tampines |
| Inhouse Employer | Central | Healthcare | OE | SS | Hougang |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Yishun |
| Acestes Pte Ltd | East | Condominium | SSO | SSO | Sengkang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SSO | Admiralty |
| RAS Security Pte Ltd | Island Wide | Commercial | SSO | SS | Sengkang |
| ESA Security Pte Ltd | South | Hotel | SSO | SSO | - |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Choa Chu Kang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Sengkang |
| Force-One Security | North | Data Centre | OE | SO | Tampines |
| SATS Ltd | Island Wide | - | OM | SSS | Lakeside |
