| Aigle Security Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| Certis Group | Island Wide | - | SSO | SS | Admiralty |
| Aigle Security Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Admiralty |
| Securus Pte Ltd | Island Wide | Commercial | OE | SS | Admiralty |
| Danmax Security Management Pte Ltd | East | - | OE | SS | Admiralty |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SSS | SSS | Admiralty |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | Nil | Admiralty |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Admiralty |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| AETOS Holdings Pte Ltd | Island Wide | Mix-Development | APO | Nil | Admiralty |
| Storm Protection Pte Ltd | South | Commercial | SO | SO | Admiralty |
| AETOS Holdings Pte Ltd | Island Wide | Mix-Development | APO | Nil | Admiralty |
| SATS Ltd | Island Wide | - | Inves | SO | Admiralty |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Admiralty |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SS | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | West | Industrial / Factory | SS | SS | Admiralty |
| TwinRock Global | North | Dormitory | SO | SO | Admiralty |
| Soverus Pte Ltd | West | Industrial / Factory | SO | SO | - |
| Republic of Singapore Yacht Club | West | In-House | SO | SO | - |
| Inhouse Employer | Central | School | SO | SO | - |
