| Inhouse Employer | Central | In-House | SO | SO | Telok Blangah |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Punggol |
| Soverus Pte Ltd | Island Wide | - | SSS | SSS | Yishun |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Hougang |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | CSO | CSO | Bukit Batok |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | CSO | Queenstown |
| G4S Secure Solutions (Singapore) Pte Ltd | North | School | SO | SO | Bras Basah |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | MacPherson |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SS | Bukit Panjang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Sengkang |
| Artyzen Singapore | Central | Hotel | SS | SS | Farrer Park |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Marsiling |
| ONE°15 Marina Sentosa Cove, Singapore | South | Hotel | SS | SS | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | CSO | Marsiling |
| Legion Protection Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Bukit Gombak |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Marsiling |
| Inhouse Employer | Central | In-House | SO | SSS | MacPherson |
| Hawkeye Security Solutions Pte Ltd | West | Industrial / Factory | SS | SS | Bukit Panjang |
| SATS Ltd | East | - | OE | SS | Eunos |
| PICO Guards Pte Ltd | North | Data Centre | SS | SS | Hougang |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Elitez Security Pte Ltd | Central | Condominium | SS | SS | Woodlands |
| Inhouse Employer | East | In-House | SO | SO | Tampines |
