| Strive Security Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Iconic Locations S Pte Ltd | Central | In-House | SO | SO | Pasir Ris |
| IGC Security Services Pte Ltd | North | Commercial | SO | SO | Punggol |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SSO | SSO | Bukit Batok |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Focus Security Services Pte Ltd | West | Industrial / Factory | SSO | SSO | Jurong East |
| AGS Integration Pte. Ltd. | West | In-House | SS | CSO | Woodlands |
| PICO Guards Pte Ltd | Island Wide | - | OE | Nil | Ang Mo Kio |
| Horus I (Private Limited) | Central | Retail | SO | SSO | Pasir Ris |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SO | SO | Punggol |
| Soverus Pte Ltd | Island Wide | - | SSS | SSS | Sengkang |
| IGC Security Services Pte Ltd | Central | Condominium | SS | SS | Woodlands |
| York Hotel (Private) Limited | Central | In-House | OM | SS | Ang Mo Kio |
| SATS Ltd | Island Wide | - | OM | SSS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Sengkang |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | Commercial | OE | SS | Admiralty |
| Guthrie FMC Security Pte Ltd | North | Dormitory | SO | SO | Sembawang |
| ADT Integrated Security Solutions Pte. Ltd. | West | Commercial | SSO | SS | Jurong East |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | MacPherson |
| AGS Integration Pte. Ltd. | Island Wide | - | SS | SS | Sembawang |
| Bulls-Eye Security Services Pte Ltd | East | Healthcare | SO | SO | Bukit Gombak |
| Inhouse Employer | East | Country Club | SO | SO | Bedok |
| Concorde Security Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Farrer Park |
