| Ranger Investigation & Security Services Pte Ltd | Island Wide | In-House | SS | SSS | Punggol |
| Jasa Investigation & Security Services Pte Ltd | East | Commercial | SO | SSS | Punggol |
| Regal Security & Fire Management Services Pte Ltd | East | Condominium | SO | SSS | Punggol |
| Eagle I Security Services Pte Ltd | East | Commercial | SS | SS | Punggol |
| SMS Investigation & Security Pte Ltd | South | Commercial | SS | SS | Punggol |
| Horus I (Private Limited) | South | Retail | SO | SSO | Punggol |
| RAS Security Pte Ltd | North | In-House | Office Team | SS | Punggol |
| Concorde Security Pte Ltd | Island Wide | - | OE | SSS | Punggol |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSS | Punggol |
| Park Regis by Prince, Singapore | Central | Hotel | SSO | SS | Punggol |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Punggol |
| Inhouse Employer | North | In-House | SO | SS | Punggol |
| Triple ‘S’ Protection Pte Ltd | East | Commercial | SO | SO | Punggol |
| Riverfort Pte Ltd | Central | Hotel | SO | SO | Punggol |
| GATES PCM Integrated Services Pte Ltd | West | School | SO | SO | Punggol |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | East | Dormitory | SO | SO | Punggol |
| Soverus Pte Ltd | North | School | SO | SO | Punggol |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | East | Dormitory | SO | SO | Punggol |
| ESA Security Pte Ltd | South | Hotel | SO | SO | Punggol |
| Reachfield Security & Safety Management Pte Ltd | East | School | SO | SO | Punggol |
| Trek Investigations & Security Management Services Pte Ltd | Central | Commercial | SO | SO | Punggol |
| Elitez Security Pte Ltd | East | Condominium | SO | SO | Punggol |
| Prospect Protection Pte Ltd | East | Industrial / Factory | SO | SO | Punggol |
| Reachfield Security & Safety Management Pte Ltd | Central | Commercial | SO | SO | Punggol |
| GATES PCM Integrated Services Pte Ltd | Central | School | SO | SO | Punggol |
