| Inhouse Employer | Island Wide | - | OE | SS | Kaki Bukit |
| Star Security Services | Island Wide | - | Security Mgt | SS | Kaki Bukit |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | Nil | Kembangan |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Kembangan |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Kembangan |
| Power Security Guard Agency Pte Ltd | North | Condominium | SO | SO | Khatib |
| Reachfield Security & Safety Management Pte Ltd | North | Commercial | SO | SO | Khatib |
| Power Security Guard Agency Pte Ltd | North | Condominium | SO | SO | Khatib |
| Grand Copthorne Waterfront Hotel | Central | In-House | SSO | SS | Khatib |
| SPH Retail Property Management Services Pte Ltd | Central | In-House | SO | SS | Khatib |
| Inhouse Employer | Central | In-House | SO | SS | Khatib |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Condominium | SO | SO | Khatib |
| Metropolis Security Systems Pte Ltd | Central | Condominium | SS | SS | Khatib |
| Security Enforcer Pte Ltd | Central | Condominium | SO | SO | Khatib |
| Securus Pte Ltd | Island Wide | - | OM | SO | Khatib |
| Pan Pacific Serviced Suites Beach Road | South | In-House | SO | SSO | Khatib |
| Pan Pacific Serviced Suites Beach Road | South | In-House | SO | SSO | Khatib |
| Amara Singapore | South | In-House | SSO | SSO | Khatib |
| SEOMEO RELC | Central | In-House | SO | SSO | Khatib |
| Inhouse Employer | Central | In-House | SO | SSO | Khatib |
| Sands Global Pte Ltd | Central | Condominium | SS | SS | Khatib |
| Orchid Hotel Private Limited | Central | In-House | OM | SS | Kranji |
| Star Security Services | Island Wide | - | Security Mgt | SS | Kranji |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Kranji |
| Pan Pacific Singapore | South | In-House | Security Mgt | SS | Kranji |
