| AGS Integration Pte. Ltd. | West | In-House | SS | SSS | Lakeside |
| Metropolis Security Systems Pte Ltd | South | Commercial | SSS | SSS | Lakeside |
| Prosec Services Pte Ltd | Central | Commercial | SSS | SSS | Lakeside |
| PICO Guards Pte Ltd | Central | Commercial | SSS | SSS | Lakeside |
| PICO Guards Pte Ltd | South | Commercial | SSS | SSS | Lakeside |
| PICO Guards Pte Ltd | Central | Commercial | SSS | SSS | Lakeside |
| Labourtel Management Corporation Pte Ltd | West | Dormitory | CSO | CSO | Lakeside |
| Labourtel Management Corporation Pte Ltd | West | Dormitory | CSO | CSO | Lakeside |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSS | Lakeside |
| Reachfield Security & Safety Management Pte Ltd | North | School | SSS | SSS | Lakeside |
| Concorde Security Pte Ltd | Island Wide | - | OE | SSS | Lakeside |
| Primesafe Security & Investigation Pte Ltd | Island Wide | Commercial | SS | SS | Lavender |
| Primesafe Security & Investigation Pte Ltd | Island Wide | - | SS | SS | Lavender |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Lavender |
| G4S Secure Solutions (Singapore) Pte Ltd | East | School | SO | SO | Lavender |
| Trek Investigations & Security Management Services Pte Ltd | East | Condominium | SO | SO | Lavender |
| G4S Secure Solutions (Singapore) Pte Ltd | East | School | SO | SO | Lavender |
| Pan Pacific Serviced Suites Beach Road | South | In-House | SO | SO | Lavender |
| Soverus Pte Ltd | North | School | SO | SO | Lorong Chuan |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | MacPherson |
| Securus Pte Ltd | Island Wide | - | OE | SS | MacPherson |
| Primesafe Security & Investigation Pte Ltd | Island Wide | - | OE | SS | MacPherson |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | OE | SS | MacPherson |
| Inhouse Employer | South | Mix-Development | OE | SS | MacPherson |
| Ranger Investigation & Security Services Pte Ltd | South | In-House | SS | SS | MacPherson |
