| Certis Group | South | Healthcare | SS | SS | Admiralty |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Bukit Batok |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| SATS Ltd | Island Wide | - | OM | SS | Woodlands |
| PICO Guards Pte Ltd | North | Industrial / Factory | SSO | SS | Woodlands |
| Peregrine Security Pte. Ltd. | North | Industrial / Factory | SSO | SS | Woodlands |
| A-SAT Pte Ltd | North | Mix-Development | SSO | SS | Woodlands |
| A-SAT Pte Ltd | North | Commercial | SSO | SS | Woodlands |
| M Social Singapore | Central | Hotel | OE | SS | Sengkang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Chang & Chang Security Management Pte. Ltd. | East | Condominium | SS | SS | Choa Chu Kang |
| Jasa Investigation & Security Services Pte Ltd | East | Condominium | SS | SS | Choa Chu Kang |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SS | Farrer Park |
| William Secure Solutions Pte Ltd | Central | Condominium | SSO | SS | Farrer Park |
| Premier Security Co-operative Ltd | Central | Commercial | SSO | SS | Farrer Park |
| Concorde Security Pte Ltd | Central | Commercial | SO | SS | Farrer Park |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SS | Pioneer |
| Security Masters Pte Ltd | Central | - | Security Mgt | SS | Choa Chu Kang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Choa Chu Kang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Choa Chu Kang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Choa Chu Kang |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SS | Pioneer |
| Inhouse Employer | Island Wide | - | OE | SS | Pioneer |
| Securus Pte Ltd | Island Wide | - | OE | SS | Pioneer |
