| Inhouse Employer | North | In-House | SO | SS | Punggol |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SS | SS | - |
| Dragnet Smartech Security Pte Ltd | Central | Condominium | SS | SS | - |
| Reachfield Security & Safety Management Pte Ltd | West | Industrial / Factory | SS | SS | - |
| Uniforce Security Services Pte Ltd | Central | Condominium | SS | SS | - |
| SMS Investigation & Security Pte Ltd | South | Condominium | SS | SS | - |
| Eagle I Security Services Pte Ltd | Island Wide | - | SS | SS | - |
| Reachfield Security & Safety Management Pte Ltd | West | Commercial | SS | SS | - |
| Eagle I Security Services Pte Ltd | Island Wide | - | SS | SS | - |
| SATS Ltd | East | - | OE | SS | Hougang |
| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SS | Hougang |
| 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 |
