| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SS | Hougang |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Hougang |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Hougang |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SS | Hougang |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Hougang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SS | Lakeside |
| Dragnet Smartech Security Pte Ltd | Central | - | Security Mgt | SS | Woodlands |
| SATS Ltd | Island Wide | - | OM | SS | Woodlands |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Woodlands |
| Inhouse Employer | West | In-House | OM | SS | Woodlands |
| PICO Guards Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| Securus Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Woodlands |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Woodlands |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | SS | Woodlands |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SS | Woodlands |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Star Security Services | Island Wide | - | OE | SS | Woodlands |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Woodlands |
