| Inhouse Employer | Island Wide | - | OE | SSO | Hougang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Bulls-Eye Security Services Pte Ltd | Island Wide | - | SSO | SSO | Pasir Ris |
| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SSO | Boon Lay |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SS | Tampines |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Metropolis Security Systems Pte Ltd | North | Mix-Development | SO | SO | Yishun |
| SATS Ltd | Island Wide | - | Inves | Nil | Yishun |
| Soverus Pte Ltd | West | Industrial / Factory | SO | SO | Bukit Gombak |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SS | Hougang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Managment | SS | Bukit Panjang |
| Excellent Security & Safety Pte Ltd | South | Commercial | SSO | SSO | - |
| Labourtel Management Corporation Pte Ltd | West | Dormitory | CSO | CSO | Boon Lay |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| Reachfield Security & Safety Management Pte Ltd | North | Commercial | SO | SS | Woodlands South |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Bukit Panjang |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SS | Bukit Panjang |
| Eagle I Security Services Pte Ltd | Island Wide | Mix-Development | SS | SS | Woodlands |
| Force-One Security | North | Data Centre | OE | SSO | Hougang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Kaki Bukit |
| Prosec Services Pte Ltd | East | Retail | SSO | SSO | Bedok North |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | CSO | Bukit Batok |
| Guthrie FMC Security Pte Ltd | North | Dormitory | SO | SO | Sembawang |
| Eagle I Security Services Pte Ltd | Central | Healthcare | SO | SO | Woodlands |
| Serangoon Gardens Country Club | Central | Country Club | SO | SO | Bedok |
