| RAS Security Pte Ltd | North | Commercial | OE | CSO | Woodlands |
| SATS Ltd | Island Wide | - | OM | Nil | Tampines |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SSO | Woodlands |
| Guthrie FMC Security Pte Ltd | West | Dormitory | SO | SO | Bukit Gombak |
| Labourtel Management Corporation Pte Ltd | East | Dormitory | CSO | CSO | Marsiling |
| Kingston Property Maintenance Services Pte Ltd | Central | - | SS | SSS | Yishun |
| Certis Group | North | - | SO | Nil | Marsiling |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SS | SS | Marsiling |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Dover |
| Dragnet Smartech Security Pte Ltd | Island Wide | - | SS | SS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| SATS Ltd | Island Wide | - | OM | SO | Yew Tee |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Dragnet Smartech Security Pte Ltd | East | - | SSO | SSO | Bukit Batok |
| Inhouse Employer | Central | In-House | SSS | CSO | Woodlands |
| Soverus Pte Ltd | Island Wide | - | SSS | SSS | Sengkang |
| Storm Protection Pte Ltd | East | Condominium | SS | SO | Tampines |
| Strive Security Pte Ltd | Island Wide | - | OE | SSO | Sembawang |
| Furama RiverFront, Singapore | South | Hotel | OE | SS | - |
| Certis Group | Island Wide | - | SSO | SSO | Choa Chu Kang |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Yishun |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SS | - |
| Singapore Security Force Pte Ltd | Island Wide | - | OE | SS | Kaki Bukit |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Pasir Ris |
| Hawkeye Security Solutions Pte Ltd | West | Industrial / Factory | SS | SS | Woodlands |
