| Reachfield Security & Safety Management Pte Ltd | East | School | SO | SO | Punggol |
| Crowne Plaza Changi Airport | East | In-House | OE | SSO | Simei |
| Crowne Plaza Changi Airport | East | In-House | OE | SSO | Simei |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Kembangan |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Kembangan |
| Inhouse Employer | East | School | SO | SO | Serangoon |
| Inhouse Employer | East | School | SO | SO | Serangoon |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Punggol |
| Mainguard Security Services (S) Pte Ltd | East | Healthcare | SSO | SSO | Simei |
| SATS Ltd | East | - | OE | SO | Yishun |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSO | Simei |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Simei |
| Crowne Plaza Changi Airport | East | Hotel | SSO | SSO | Simei |
| Crowne Plaza Changi Airport | East | In-House | OE | SSO | Simei |
| Inhouse Employer | East | In-House | SO | SO | Pasir Ris |
| Inhouse Employer | East | In-House | SO | SO | Pasir Ris |
| William Secure Solutions Pte Ltd | East | Condominium | SO | SSO | Sengkang |
| First Security & Private Investigation (Singapore) Pte Ltd | East | Condominium | SSO | SSO | Sengkang |
| Unique Security Services Pte Ltd | East | Condominium | SSO | SSO | Simei |
| Fervour Pte Ltd | East | School | SSO | SSO | Simei |
| Crowne Plaza Changi Airport | East | In-House | OE | SO | Hougang |
| William Secure Solutions Pte Ltd | East | Condominium | SSS | CSO | Woodlands |
| William Secure Solutions Pte Ltd | East | Condominium | SSS | CSO | Woodlands |
| GoMobile Security Solutions Pte Ltd | East | Commercial | SSO | SSO | Simei |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | CSO | Woodlands |
