| PICO Guards Pte Ltd | Island Wide | - | OM | SS | Pioneer |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SS | Pioneer |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Pioneer |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Pioneer |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Pioneer |
| SATS Ltd | East | - | OE | SS | Pioneer |
| SATS Ltd | Island Wide | - | OM | SS | Pioneer |
| AGS Integration Pte. Ltd. | Island Wide | - | SS | SS | Sembawang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SS | Sembawang |
| AGS Integration Pte. Ltd. | Island Wide | - | SS | SS | Punggol |
| Certis Group | South | Healthcare | SS | SS | Punggol |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Sengkang |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | SS | Bukit Batok |
| SMS Investigation & Security Pte Ltd | East | Condominium | SS | SS | Punggol |
| Force-One Security | North | Data Centre | SS | SS | Woodlands |
| First Security & Private Investigation (Singapore) Pte Ltd | Central | Retail | SO | SS | Punggol |
| First Security & Private Investigation (Singapore) Pte Ltd | East | Condominium | SS | SS | Punggol |
| SMS Investigation & Security Pte Ltd | East | Condominium | SS | SS | Punggol |
| First Security & Private Investigation (Singapore) Pte Ltd | East | Condominium | SS | SS | Punggol |
| SMS Investigation & Security Pte Ltd | East | Condominium | SSO | SS | Punggol |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SSO | SS | Punggol |
| Securus Pte Ltd | Island Wide | - | OE | SS | Bukit Batok |
| Securus Pte Ltd | Island Wide | - | OE | SS | Bukit Batok |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SS | Bukit Batok |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Bukit Batok |
