| Brink's Singapore Pte Ltd | East | - | SO | SS | Bukit Batok |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| Force-One Security | North | Data Centre | OE | SS | Pasir Ris |
| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| Force-One Security | North | Data Centre | SS | SS | Pasir Ris |
| Resorts World Sentosa | South | Commercial | SS | SS | Pasir Ris |
| Securus Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | SS | Pasir Ris |
| Inhouse Employer | West | In-House | OM | SS | Pasir Ris |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Pasir Ris |
| Inhouse Employer | Island Wide | - | OE | SS | Sengkang |
| Force-One Security | North | Data Centre | OE | SS | Buangkok |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| Force-One Security | North | Data Centre | SS | SS | Hougang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Hougang |
| Star Security Services | Island Wide | - | Security Mgt | SS | Hougang |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Hougang |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Hougang |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Hougang |
| Securus Pte Ltd | Island Wide | - | OM | SS | Hougang |
| Force-One Security | Central | Commercial | SO | SS | Hougang |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SS | SS | Hougang |
| Elid Technology International Pte Ltd | East | Condominium | SS | SS | Hougang |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Choa Chu Kang |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SS | SS | Choa Chu Kang |
