| GATES PCM Integrated Services Pte Ltd | East | Commercial | SS | SS | Tampines |
| RAS Security Pte Ltd | East | Commercial | SS | SS | Tampines |
| RAS Security Pte Ltd | North | Commercial | OE | SS | Tampines |
| Acestes Pte Ltd | Island Wide | - | OM | SS | Tampines |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SS | Tampines |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | SS | Tampines |
| Artyzen Singapore | Central | Hotel | SS | SS | Tampines |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | OE | SS | Tampines |
| Star Security Services | Island Wide | - | OE | SS | Tampines |
| Mainguard Security Services (S) Pte Ltd | Island Wide | - | OE | SS | Tampines |
| Stalwart Security Pte Ltd | Island Wide | - | OE | SS | Tampines |
| Inhouse Employer | West | In-House | OM | SS | Tampines |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | SS | Tampines |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | SS | Tampines |
| Soverus Pte Ltd | Island Wide | - | SSS | SS | Choa Chu Kang |
| Excellent Security & Safety Pte Ltd | East | Commercial | SSO | SS | Aljunied |
| Inhouse Employer | Central | Mix-Development | OE | SS | Sengkang |
| Furama RiverFront, Singapore | South | Hotel | OE | SS | Sengkang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Bukit Batok |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SS | Bukit Batok |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Punggol |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Punggol |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SS | Tampines |
| M Hotel Singapore City Centre | Central | Hotel | SSO | SS | Aljunied |
| Young Women's Christian Association of Singapore | Central | In-House | SO | SS | Aljunied |
