| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SS | CSO | Yishun |
| Inhouse Employer | South | School | SO | SSO | - |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Chinese Garden |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Bedok |
| Orchid Hotel Private Limited | Central | In-House | OM | SO | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Retail | SO | SO | - |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Yishun |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SO | Yishun |
| RAS Security Pte Ltd | North | Commercial | OE | SSO | Marsiling |
| Unique Security Services Pte Ltd | West | Commercial | SO | SO | Lakeside |
| York Hotel (Private) Limited | Central | In-House | OM | SSS | Redhill |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| Inhouse Employer | East | School | SO | SO | Bedok |
| Danmax Security Management Pte Ltd | East | - | OE | CSO | Bedok |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Tampines |
| IGC Security Services Pte Ltd | Central | Condominium | SS | SS | Woodlands |
| PICO Guards Pte Ltd | Central | School | SO | SSO | Commonwealth |
| SMS Security | Central | Retail / Mall | SO | SO | Toa Payoh |
| Stalwart Security Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| M Social Singapore | Central | Hotel | OE | SSS | Bishan |
| TwinRock Global | North | Dormitory | SO | SO | Admiralty |
| Inhouse Employer | Island Wide | Construction | OM | SS | Pioneer |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Dragnet Smartech Security Pte Ltd | Central | School | SSO | SSO | Yishun |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | CSO | Marsiling |
