| Prospect Protection Pte Ltd | West | Industrial / Factory | SS | SS | - |
| Inhouse Employer | Island Wide | Construction | OM | SS | Choa Chu Kang |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | SS | Tampines |
| Aero Asia Security Systems Pte Ltd | South | Condominium | SO | SO | Redhill |
| M Social Singapore | Central | Hotel | OE | SS | Admiralty |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Soverus Pte Ltd | Central | Commercial | SSS | CSO | Toa Payoh |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Marsiling |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Yishun |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SS | Woodlands |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SSS | Tampines |
| Force-One Security | North | Data Centre | SS | SSO | Tampines |
| Certis Group | East | Gov Building | SO | SO | Sengkang |
| PICO Guards Pte Ltd | North | Industrial / Factory | SS | SS | Yishun |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Acestes Pte Ltd | Central | - | Security Mgt | CSO | Marsiling |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | SS | SS | Redhill |
| Inhouse Employer | Central | Hotel | SS | SS | Marsiling |
| Inhouse Employer | West | In-House | OM | SSS | Sengkang |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Brink's Singapore Pte Ltd | East | - | SO | SS | Bukit Batok |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| Peregrine Security Pte. Ltd. | Central | - | SSO | SS | Geylang Bahru |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
