| 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 |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Hougang |
| PICO Guards Pte Ltd | East | Commercial | SO | SO | Hougang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSO | Hougang |
| Star Security Services | Island Wide | - | Security Mgt | SSO | Hougang |
| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SO | SO | Hougang |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OE | SSO | Hougang |
| RAS Security Pte Ltd | North | Commercial | SSO | SSO | Hougang |
| Inhouse Employer | Central | Hotel | OM | SO | Hougang |
| Soverus Pte Ltd | Island Wide | - | SS | SS | Hougang |
| Prosegur Singapore Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Inhouse Employer | Central | Country Club | OM | SSO | Hougang |
| Union Security Services Pte. Ltd. | North | Commercial | SS | SS | Hougang |
| Security Masters Pte Ltd | Island Wide | - | SS | SS | Hougang |
| Triple ‘S’ Protection Pte Ltd | East | Commercial | SS | SS | Hougang |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SS | SS | Hougang |
| Soverus Pte Ltd | South | Commercial | SS | SS | Hougang |
| Certis Group | South | Healthcare | SS | SS | Hougang |
