| Inhouse Employer | Central | In-House | SS | SS | Admiralty |
| SATS Ltd | Island Wide | - | OM | SSS | Dover |
| Dragnet Smartech Security Pte Ltd | Central | Commercial | SSO | SSO | - |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Bishan |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Sengkang |
| Mainguard Security Services (S) Pte Ltd | South | Construction | SO | SSO | Tuas Link |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | SS | Woodlands |
| Inhouse Employer | South | School | SO | SSO | Bukit Batok |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Inhouse Employer | Island Wide | Construction | OM | SS | Pioneer |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Dover |
| Focal Investigation & Security Agency Pte Ltd | South | Commercial | SO | SO | Tampines |
| Crowne Plaza Changi Airport | East | In-House | OE | SO | Yishun |
| Inhouse Employer | West | In-House | OM | CSO | Marsiling |
| Inhouse Employer | Central | School | SO | SSO | Woodlands |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Tampines |
| Inhouse Employer | Central | In-House | SO | SSS | Potong Pasir |
| G4S Secure Solutions (Singapore) Pte Ltd | South | - | SO | SO | Bukit Batok |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SSS | Choa Chu Kang |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Admiralty |
| Inhouse Employer | Central | Hotel | SO | SSO | Bukit Batok |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Orchid Hotel Private Limited | Central | In-House | OM | CSO | Toa Payoh |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
