| Acestes Pte Ltd | Central | - | Security Mgt | SSS | Bedok |
| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SSO | Boon Lay |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | SSO | Boon Lay |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SS | Bukit Batok |
| Artyzen Singapore | Central | Hotel | SS | SS | Toa Payoh |
| TwinRock Global | Central | - | Security Mgt | SS | Toa Payoh |
| Force-One Security | Central | Commercial | SO | SS | Toa Payoh |
| Force-One Security | Central | Commercial | SO | SS | Toa Payoh |
| Acestes Pte Ltd | Central | - | Security Mgt | SS | Choa Chu Kang |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Choa Chu Kang |
| TwinRock Global | Central | - | Security Mgt | SS | Choa Chu Kang |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SS | Choa Chu Kang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Choa Chu Kang |
| SMS Security | Central | Industrial / Factory | SO | SO | Potong Pasir |
| Fervour Pte Ltd | Central | Data Centre | SO | SO | Potong Pasir |
| Inhouse Employer | Central | Country Club | OM | SS | Punggol |
| Security & Risk Solutions Pte. Ltd. | Central | Commercial | SO | SO | Potong Pasir |
| Inhouse Employer | Central | In-House | SS | SSO | Hougang |
| Artyzen Singapore | Central | Hotel | SS | SS | Tampines |
| Metropolis Security Systems Pte Ltd | Central | Industrial / Factory | SO | SSO | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Marsiling |
| Inhouse Employer | Central | Mix-Development | OE | SS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | Nil | Bukit Gombak |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SS | Bukit Batok |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SSO | Tuas Link |
