| Inhouse Employer | South | Mix-Development | OE | SSS | Tampines West |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SSO | Jurong East |
| Inhouse Employer | West | In-House | OM | SS | Hougang |
| Hotel Grand Central | Central | Hotel | Security Mgt | SO | Tiong Bahru |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Jurong East |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Woodlands |
| Securus Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| A-SAT Pte Ltd | Island Wide | - | SSO | SSS | Boon Lay |
| M Hotel Singapore City Centre | Central | Hotel | SSO | SSO | Jurong East |
| ProtectPlus Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | CSO | Marsiling |
| Certis Group | Central | Industrial / Factory | SSO | SO | Choa Chu Kang |
| Inhouse Employer | Central | In-House | SSS | CSO | Woodlands |
| Excellent Security & Safety Pte Ltd | West | Commercial | SSO | SSS | Clementi |
| Securus Pte Ltd | North | Commercial | SO | SSO | Woodlands |
| Crowne Plaza Changi Airport | East | In-House | OM | CSO | Toa Payoh |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | Retail | SO | SO | - |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | Nil | Tampines |
| Acestes Pte Ltd | East | Condominium | SSO | SSO | Sengkang |
| Inhouse Employer | East | In-House | SO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSS | Woodlands |
| Inhouse Employer | Island Wide | - | OE | SS | Sengkang |
| Ranger Investigation & Security Services Pte Ltd | East | In-House | SSO | SSO | Boon Lay |
| PICO Guards Pte Ltd | North | Industrial / Factory | SS | SS | Woodlands |
