| Peregrine Security Pte. Ltd. | Central | Commercial | SSO | SSO | Bukit Batok |
| Hawkeye Security Solutions Pte Ltd | Central | Condominium | SSO | SSO | Bukit Batok |
| Certis Group | Central | School | SSO | SSO | Bukit Batok |
| GATES PCM Integrated Services Pte Ltd | Central | Condominium | SSO | SSO | Bukit Batok |
| Dragnet Smartech Security Pte Ltd | Central | School | SSO | SSO | Bukit Batok |
| Global Ritz Protection (Security Services) Pte Ltd | Central | Healthcare | SSO | SSO | Bukit Batok |
| Certis Group | Central | School | SSO | SSO | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Bukit Batok |
| Dragnet Smartech Security Pte Ltd | Central | School | SSO | SSO | Bukit Batok |
| Inhouse Employer | Central | Country Club | OM | SS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Bukit Panjang |
| Singapore Security Force Pte Ltd | Central | Mix-Development | SSO | SO | Kaki Bukit |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | CSO | Bedok |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SSS | Tampines West |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Tampines West |
| Mainguard Security Services Singapore Pte Ltd | Central | Gov Building | SS | SS | Choa Chu Kang |
| Young Women's Christian Association of Singapore | Central | In-House | Security Mgt | SSO | Hougang |
| Inhouse Employer | Central | In-House | SS | SS | Hougang |
| Inhouse Employer | Central | In-House | SS | SS | Hougang |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SSO | Sengkang |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | CSO | Bukit Batok |
| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
| Park Regis by Prince, Singapore | Central | Hotel | SSO | SS | Aljunied |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Jurong East |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SSO | SSO | Jurong East |
