| Force-One Security | Central | Commercial | SO | SSO | Woodlands |
| Inhouse Employer | Island Wide | Construction | OM | SSO | Hougang |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SSO | Hougang |
| Inhouse Employer | Central | Country Club | OM | SSO | Hougang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSO | Hougang |
| York Hotel (Private) Limited | Central | In-House | OM | SSO | Hougang |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | SSO | Hougang |
| Inhouse Employer | Central | Hotel | OE | SSO | Hougang |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SSO | Hougang |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Shangri-La Rasa Sentosa, Singapore | South | Hotel | OE | SSO | Hougang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Furama RiverFront, Singapore | South | Hotel | OE | SSO | Hougang |
| Inhouse Employer | Central | Mix-Development | OE | SSO | Hougang |
| Force-One Security | North | Data Centre | OE | SSO | Hougang |
| Certis Group | Central | Commercial | SO | SSO | - |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Hougang |
| G4S Secure Solutions (Singapore) Pte Ltd | North | School | SO | SSO | Ang Mo Kio |
| Excellent Security & Safety Pte Ltd | North | Data Centre | SO | SSO | Ang Mo Kio |
| Orchid Hotel Private Limited | Central | In-House | OM | SSO | Hougang |
| SMS Security | Central | Industrial / Factory | SO | SSO | Tanjong Pagar |
| Star Security Services | Island Wide | - | Security Mgt | SSO | Hougang |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | SSO | Hougang |
| RAS Security Pte Ltd | North | Commercial | SSO | SSO | Hougang |
