| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SO | Woodlands |
| Inhouse Employer | East | Hotel | Security Mgt | SS | Bukit Panjang |
| Inhouse Employer | East | Country Club | SO | SO | Bedok |
| Securus Pte Ltd | Island Wide | - | OM | CSO | Tampines |
| Inhouse Employer | Central | Hotel | SS | SSS | Jurong East |
| Securus Pte Ltd | Island Wide | - | OE | SS | Ang Mo Kio |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | CSO | Marsiling |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SO | SO | Serangoon |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Star Security Services | Island Wide | - | Security Mgt | SO | Woodlands |
| Young Women's Christian Association of Singapore | Central | In-House | SO | SS | Aljunied |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SS | Clementi |
| GoMobile Security Solutions Pte Ltd | North | Condominium | SO | SO | Hougang |
| Union Security Services Pte. Ltd. | North | - | SSO | SSO | Bukit Batok |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Pasir Ris |
| Inhouse Employer | Island Wide | Construction | OM | CSO | Bukit Batok |
| GCH Pte. Ltd. | Central | In-House | SSO | SS | Yishun |
| Inhouse Employer | West | In-House | OM | CSO | Marsiling |
| Union Security Services Pte. Ltd. | Central | Industrial / Factory | SS | SS | Marsiling |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Riverfort Pte Ltd | Central | Hotel | SO | SSO | Bukit Batok |
| Premier Security Co-operative Ltd | South | Retail | SSO | SSS | Yishun |
| Securistate Pte Ltd | West | Industrial / Factory | SSO | SSO | Bukit Batok |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSS | Boon Lay |
| Inhouse Employer | Central | Mix-Development | OE | SSS | Tampines West |
