| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSS | Sengkang |
| King's Security and Safety Management Pte Ltd | Island Wide | - | Sec Tech / Eng | SO | Sengkang |
| Inhouse Employer | West | In-House | OM | SSS | Sengkang |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SO | Sengkang |
| King's Security and Safety Management Pte Ltd | Island Wide | - | Sec Tech / Eng | SO | Sengkang |
| Inhouse Employer | West | In-House | OM | SO | Sengkang |
| SATS Ltd | Island Wide | - | Inves | SO | Sengkang |
| Inhouse Employer | West | In-House | OM | SO | Sengkang |
| PICO Guards Pte Ltd | Island Wide | - | OM | SO | Sengkang |
| SATS Ltd | Island Wide | - | OM | SO | Sengkang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SO | Sengkang |
| Force-One Security | North | Data Centre | SS | SO | Sengkang |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Inhouse Employer | Island Wide | - | OE | SS | Sengkang |
| GATES PCM Integrated Services Pte Ltd | East | Condominium | SO | SO | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Sengkang |
| SATS Ltd | East | - | OE | SSS | Sengkang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Strive Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| TwinRock Global | Central | - | Security Mgt | SSS | Sengkang |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | SSS | Sengkang |
| Star Security Services | Island Wide | - | Security Mgt | SSS | Sengkang |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Sengkang |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Sengkang |
