| PICO Guards Pte Ltd | Island Wide | - | OE | SSO | MacPherson |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSO | MacPherson |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSO | MacPherson |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSO | MacPherson |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSO | MacPherson |
| Reachfield Security & Safety Management Pte Ltd | Central | School | SS | SSO | MacPherson |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SSO | MacPherson |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SSO | MacPherson |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSO | MacPherson |
| Securitas Guarding Services (Singapore) Pte Ltd | West | Commercial | SSO | SSO | - |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Redhill |
| Premier Security Co-operative Ltd | Island Wide | - | SSO | SSO | Bedok North |
| Triple ‘S’ Protection Pte Ltd | East | Commercial | SSO | SSO | Bedok North |
| A-SAT Pte Ltd | East | Hotel | SSO | SSO | Bedok North |
| Peregrine Security Pte. Ltd. | South | Hotel | SSO | SSO | Bedok North |
| Hilton Garden Inn Singapore Serangoon | Central | In-House | SO | SSO | Woodlands |
| Titanium Safety & Security Pte Ltd | West | Dormitory | SSO | SSO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Bukit Batok |
| Peregrine Security Pte. Ltd. | Central | Commercial | SSO | SSO | Bukit Batok |
| AETOS Holdings Pte Ltd | Island Wide | Commercial | SSO | SSO | Bukit Batok |
| Excellent Security & Safety Pte Ltd | East | Data Centre | SSO | SSO | Bukit Batok |
| IGC Security Services Pte Ltd | North | Commercial | SSO | SSO | Bukit Batok |
| DP Quest Investigation Consultancy Pte Ltd | West | Condominium | SSO | SSO | Bukit Batok |
| Hawkeye Security Solutions Pte Ltd | Central | Condominium | SSO | SSO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | West | School | SSO | SSO | Bukit Batok |
