| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
| Pedro Investigations & Security Services Pte. Ltd. | Central | - | SSO | CSO | Bedok |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | CSO | Bedok |
| M Social Singapore | Central | Hotel | OE | SS | Admiralty |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | SS | Admiralty |
| Inhouse Employer | Central | In-House | SS | SS | Admiralty |
| Soverus Pte Ltd | Central | Data Centre | SSS | SSS | Woodlands |
| Soverus Pte Ltd | Central | Data Centre | SSS | SSS | Woodlands |
| Regal Security & Fire Management Services Pte Ltd | Central | - | OE | CSO | Yishun |
| Kingston Property Maintenance Services Pte Ltd | Central | Mix-Development | SS | SS | Aljunied |
| Kingston Property Maintenance Services Pte Ltd | Central | Mix-Development | SS | SS | Aljunied |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SS | SS | Aljunied |
| Bulls-Eye Security Services Pte Ltd | Central | Healthcare | SSS | SSS | Aljunied |
| Certis Group | Central | Commercial | SO | CSO | Bedok |
| Pedro Investigations & Security Services Pte. Ltd. | Central | - | SSO | CSO | Bedok |
| M Social Singapore | Central | Hotel | OE | SS | Sengkang |
| Artyzen Singapore | Central | Hotel | SO | SO | Bedok |
| Inhouse Employer | Central | In-House | SO | SO | Bedok |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SS | Farrer Park |
| William Secure Solutions Pte Ltd | Central | Condominium | SSO | SS | Farrer Park |
| Premier Security Co-operative Ltd | Central | Commercial | SSO | SS | Farrer Park |
| Concorde Security Pte Ltd | Central | Commercial | SO | SS | Farrer Park |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SS | Pioneer |
| Security Masters Pte Ltd | Central | - | Security Mgt | SSS | Tampines |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SSS | Tampines |
