| Titanium Safety & Security Pte Ltd | North | In-House | OE | SSO | Boon Lay |
| Crowne Plaza Changi Airport | East | In-House | OE | SSO | Boon Lay |
| Inhouse Employer | Island Wide | - | OE | SSO | Boon Lay |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SSO | Boon Lay |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Boon Lay |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Boon Lay |
| Ranger Investigation & Security Services Pte Ltd | East | In-House | SSO | SSO | Boon Lay |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Boon Lay |
| Inhouse Employer | Central | Hotel | OE | SSO | Boon Lay |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | SSO | Boon Lay |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SSO | Boon Lay |
| Star Security Services | Island Wide | - | Security Mgt | CSO | Boon Lay |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | CSO | Boon Lay |
| Eagle I Security Services Pte Ltd | West | Condominium | SO | Nil | Boon Lay |
| Inhouse Employer | West | Industrial / Factory | SO | SSO | Boon Lay |
| Inhouse Employer | West | In-House | OM | SSO | Boon Lay |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Boon Lay |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Boon Lay |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SSO | Boon Lay |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Boon Lay |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Boon Lay |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSO | Boon Lay |
| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SSO | Boon Lay |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SSO | Boon Lay |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | SSO | Boon Lay |
