| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSO | Hougang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| Inhouse Employer | West | School | OE | SSS | Woodlands |
| Inhouse Employer | West | School | OE | SSS | Woodlands |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SSS | Woodlands |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Choa Chu Kang |
| Ademco Security Pte Ltd | Island Wide | - | OE | SSS | Bukit Panjang |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Pasir Ris |
| Danmax Security Management Pte Ltd | East | - | OE | CSO | Bedok |
| Legion Protection Pte Ltd | Island Wide | - | OE | SSS | Bukit Panjang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SSS | Bukit Panjang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | CSO | Bedok |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SSS | Clementi |
| Aigle Security Pte Ltd | Island Wide | - | OE | SSS | Bukit Panjang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Securus Pte Ltd | Island Wide | Commercial | OE | SS | Admiralty |
| Aigle Security Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| PICO Guards Pte Ltd | Island Wide | - | OE | SS | - |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SS | - |
| Ranger Investigation & Security Services Pte Ltd | Island Wide | In-House | OE | SS | - |
| Legion Protection Pte Ltd | Island Wide | - | OE | SS | - |
| PICO Guards Pte Ltd | Island Wide | - | OE | SS | - |
| Inhouse Employer | Central | Healthcare | OE | SSO | Hougang |
