| Chang & Chang Security Management Pte. Ltd. | East | Condominium | SO | SO | Tampines |
| Chang & Chang Security Management Pte. Ltd. | East | Condominium | SS | SO | Tampines |
| TwinRock Global | East | Retail | SO | SO | Tampines |
| Aigle Security Pte Ltd | East | Condominium | SO | SO | Tampines |
| William Secure Solutions Pte Ltd | East | Condominium | SS | SO | Tampines |
| Eagle I Security Services Pte Ltd | East | Commercial | SS | SO | Tampines |
| Union Security Services Pte. Ltd. | East | Data Centre | SO | SO | Tampines |
| Brink's Singapore Pte Ltd | East | - | SO | SO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SSO | SO | Tampines |
| Eagle I Security Services Pte Ltd | East | Commercial | SS | SO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SSS | SO | Tampines |
| Union Security Services Pte. Ltd. | East | Commercial | SSO | SO | Tampines |
| Jasa Investigation & Security Services Pte Ltd | East | Condominium | SS | SS | Woodlands |
| Eagle I Security Services Pte Ltd | East | Commercial | SS | SS | Woodlands |
| Securus Pte Ltd | East | Commercial | SS | SS | Woodlands |
| Premier Security Co-operative Ltd | East | Commercial | SS | SS | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SS | Bukit Panjang |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Bukit Panjang |
| Prosec Services Pte Ltd | East | Data Centre | SO | SO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SO | SO | Tampines |
| Jasa Investigation & Security Services Pte Ltd | East | Condominium | SO | SO | Tampines |
| Danmax Security Management Pte Ltd | East | Condominium | SS | SO | Tampines |
| Eagle I Security Services Pte Ltd | East | Commercial | SO | SO | Tampines |
| TwinRock Global | East | Retail | SO | SO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SSO | SSS | Pasir Ris |
