| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SS | Choa Chu Kang |
| Security & Risk Solutions Pte. Ltd. | East | Office Building | SS | SS | Simei |
| SMS Security | East | Mix-Development | SSO | SS | Simei |
| Security & Risk Solutions Pte. Ltd. | East | Office Building | SS | SS | Simei |
| Chang & Chang Security Management Pte. Ltd. | East | Condominium | SS | SS | Tampines |
| Chang & Chang Security Management Pte. Ltd. | East | Condominium | SS | SS | Tampines |
| Premier Security Co-operative Ltd | East | Commercial | SS | SS | Tampines |
| Ademco Security Pte Ltd | East | Industrial / Factory | SS | SS | Tampines |
| Chang & Chang Security Management Pte. Ltd. | East | Condominium | SS | SS | Tampines |
| Acestes Pte Ltd | Island Wide | - | SS | SS | Tampines |
| Reachfield Security & Safety Management Pte Ltd | Island IWde | - | SS | SS | Buangkok |
| GATES PCM Integrated Services Pte Ltd | Island IWde | - | OE | SS | Buangkok |
| Excellent Security & Safety Pte Ltd | North | Data Centre | SO | SS | Buangkok |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | Commercial | SS | SS | Buangkok |
| Ademco Security Pte Ltd | East | Industrial / Factory | SS | SS | Tampines |
| Chang & Chang Security Management Pte. Ltd. | East | Condominium | SS | SS | Tampines |
| Acestes Pte Ltd | Island Wide | - | SS | SS | Tampines |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SS | SS | Tampines |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | SS | SS | Tampines |
| Certis Group | South | Healthcare | SS | SS | Bukit Panjang |
| Inhouse Employer | Central | Country Club | OM | SS | Choa Chu Kang |
| SATS Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
