| Bulls-Eye Security Services Pte Ltd | East | Commercial | SO | SO | Punggol |
| Pan Pacific Serviced Suites Beach Road | South | In-House | SO | SO | Lavender |
| Star Security Services | Island Wide | - | Security Mgt | SO | Woodlands |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Hougang |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Yishun |
| Inhouse Employer | Island Wide | Construction | OM | SSS | MacPherson |
| Elitez Security Pte Ltd | Central | Commercial | SO | SO | Woodlands |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Elid Technology International Pte Ltd | North | Condominium | SO | SSO | Yishun |
| SATS Ltd | Island Wide | - | OM | Nil | Woodlands |
| Resorts World Sentosa | South | Commercial | SS | SSS | Dover |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | Nil | Ang Mo Kio |
| Fervour Pte Ltd | Central | Commercial | SSO | SSO | Bishan |
| C&W Services (S) Pte Ltd | Central | Gov Building | SO | SO | Mountbatten |
| Soverus Pte Ltd | Island Wide | - | SSS | SSS | Tampines |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | CSO | Sengkang |
| Inhouse Employer | Central | In-House | SS | SSS | Redhill |
| Prospect Protection Pte Ltd | East | Industrial / Factory | SO | SO | Punggol |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SSO | Tuas Link |
| Inhouse Employer | Central | In-House | SSS | CSO | Woodlands |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Farrer Park |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Hougang |
| TwinRock Global | Central | - | Security Mgt | SS | Tampines |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | SSS | Sengkang |
