| Bulls-Eye Security Services Pte Ltd | Central | Healthcare | SSS | SSS | Aljunied |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Aedge Services Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Security Masters Pte Ltd | Central | - | Security Mgt | SSS | Tampines |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SSS | Tampines |
| Soverus Pte Ltd | Island Wide | - | SSS | SSS | Yishun |
| Star Security Services | Island Wide | - | Security Mgt | SSS | Woodlands |
| Avantec Management Pte Ltd | Central | Condominium | SS | SSS | Queenstown |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Tampines |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Tampines |
| SATS Ltd | Island Wide | - | OM | SSS | Ang Mo Kio |
| PICO Guards Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| Inhouse Employer | West | School | OE | SSS | Woodlands |
| Inhouse Employer | West | School | OE | SSS | Woodlands |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Woodlands |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SSS | Woodlands |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SSS | Woodlands |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| Inhouse Employer | Island Wide | Construction | OM | SSS | Woodlands |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SSS | Commonwealth |
| SATS Ltd | Island Wide | - | OM | SSS | Commonwealth |
| Aedge Services Pte Ltd | Island Wide | - | OM | SSS | Commonwealth |
