| Excellent Security & Safety Pte Ltd | Central | Industrial / Factory | SS | SS | Hougang |
| Security & Risk Solutions Pte. Ltd. | East | Office Building | SS | SSO | Hougang |
| Star Security Services | Island Wide | - | Security Mgt | SSO | Hougang |
| Inhouse Employer | Central | Hotel | OE | SSO | Hougang |
| Inhouse Employer | Island Wide | Construction | OM | SSO | Hougang |
| Inhouse Employer | Central | Hotel | OE | SSO | Hougang |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Force-One Security | Central | Commercial | SO | SO | Hougang |
| Labourtel Management Corporation Pte Ltd | East | Dormitory | CSO | CSO | Hougang |
| Inhouse Employer | Central | Mix-Development | Security Mgt | CSO | Hougang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | CSO | Hougang |
| Interlocal Exim Pte Ltd | Central | In-House | SO | SS | Hougang |
| Interlocal Exim Pte Ltd | Central | In-House | SO | SS | Hougang |
| Inhouse Employer | Central | Healthcare | OE | SSO | Hougang |
| 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 |
