| Union Security Services Pte Ltd | East | Condominium | SS | SSO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SSS | SSS | Ang Mo Kio |
| Danmax Security Management Pte Ltd | East | - | OE | CSO | Bedok |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Hougang |
| Securus Pte Ltd | East | Condominium | SS | SS | Aljunied |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SO | Mountbatten |
| PICO Guards Pte Ltd | East | Commercial | SO | SO | Hougang |
| Ranger Investigation & Security Services Pte Ltd | East | In-House | SSO | CSO | Bedok |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | CSO | Bedok |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SO | CSO | Bedok |
| SMS Security | East | Retail / Mall | SO | SO | Eunos |
| Metropolis Security Systems Pte Ltd | East | Condominium | SO | SO | Sengkang |
| SMS Security | East | Retail / Mall | SO | SO | Eunos |
| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SO | SO | Hougang |
| Danmax Security Management Pte Ltd | East | - | OE | SS | Admiralty |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SO | CSO | Bedok |
| Eagle I Security Services Pte Ltd | East | - | SO | CSO | Bedok |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | CSO | Bedok |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | CSO | Bedok |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SO | CSO | Bedok |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SO | CSO | Bedok |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | CSO | Bedok |
| Crowne Plaza Changi Airport | East | Hotel | SSO | SS | Tampines |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Sengkang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Sengkang |
