| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Pasir Ris |
| Bulls-Eye Security Services Pte Ltd | North | Condominium | SS | SS | Marsiling |
| Security Masters Pte Ltd | Island Wide | - | SS | SS | Hougang |
| Force-One Security | North | Data Centre | OE | SO | Woodlands |
| Inhouse Employer | West | Industrial / Factory | SO | SSO | Bukit Gombak |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SSS | SSS | Sengkang |
| Inhouse Employer | North | Industrial / Factory | SSO | SSO | Yishun |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | Nil | Ang Mo Kio |
| Crowne Plaza Changi Airport | East | In-House | OE | CSO | Marsiling |
| Acestes Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| Ranger Investigation & Security Services Pte Ltd | South | In-House | SS | SS | MacPherson |
| PICO Guards Pte Ltd | Island Wide | - | OE | SSS | Choa Chu Kang |
| Inhouse Employer | East | School | SO | SO | Bedok |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | SS | Pasir Ris |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Choa Chu Kang |
| Securus Pte Ltd | Island Wide | - | OM | SS | Hougang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Metropolis Security Systems Pte Ltd | East | Gov Building | SO | SO | Kaki Bukit |
| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SSO | SSO | Tampines |
| SATS Ltd | East | - | OE | SSS | Toa Payoh |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Ang Mo Kio |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SSO | Jurong East |
| SATS Ltd | Island Wide | - | OM | CSO | Boon Lay |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
