| Acestes Pte Ltd | Island Wide | - | OM | SS | Eunos |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SO | Eunos |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Eunos |
| Brink's Singapore Pte Ltd | East | - | SO | SO | Eunos |
| Fervour Pte Ltd | East | Healthcare | SO | SO | Eunos |
| 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 |
| Premier Security Co-operative Ltd | Central | Healthcare | SSS | SS | Farrer Park |
| William Secure Solutions Pte Ltd | Central | Condominium | SO | SS | Farrer Park |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Farrer Park |
| Certis Group | Central | School | SSO | SS | Farrer Park |
| Shine Security Agency Pte Ltd | Island Wide | - | OE | SS | Farrer Park |
| Inhouse Employer | Island Wide | - | OE | SS | Farrer Park |
| Hotel Grand Central | Central | Hotel | Security Mgt | SS | Farrer Park |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SS | Farrer Park |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Farrer Park |
| Inhouse Employer | Central | In-House | SSS | SS | Farrer Park |
| Artyzen Singapore | Central | Hotel | SS | SS | Farrer Park |
| Hotel Grand Central | Central | Hotel | Security Mgt | SS | Farrer Park |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Farrer Park |
| Inhouse Employer | Central | Hotel | SS | SS | Farrer Park |
| Elid Technology International Pte Ltd | Central | Hotel | SSO | SS | Farrer Park |
| Hotel Grand Central | Central | Hotel | Security Mgt | SS | Farrer Park |
