| Ademco Security Pte Ltd | East | Industrial / Factory | SS | SS | Tampines |
| Inhouse Employer | East | Hotel | Security Mgt | SS | Bukit Panjang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SSO | SS | Yishun |
| Uniforce Security Services Pte Ltd | East | Commercial | SS | SS | Tampines |
| Certis Group | Central | School | SS | SS | Bukit Panjang |
| Ranger Investigation & Security Services Pte Ltd | Island Wide | - | SS | SS | Bukit Panjang |
| Securus Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| Inhouse Employer | East | Hotel | Security Mgt | SS | Bukit Panjang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Bukit Panjang |
| Inhouse Employer | South | Mix-Development | Security Mgt | SS | Bukit Panjang |
| Inhouse Employer | South | Mix-Development | Security Mgt | SS | Bukit Panjang |
| Primesafe Security & Investigation Pte Ltd | Island Wide | - | SS | SS | Bukit Panjang |
| Primesafe Security & Investigation Pte Ltd | Island Wide | Commercial | SS | SS | Tampines |
| Chang & Chang Security Management Pte. Ltd. | East | Condominium | SS | SS | Tampines |
| 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 |
| Ashtree International Pte. Ltd. | West | Dormitory | SO | SS | Marsiling |
| Ashtree International Pte. Ltd. | West | Dormitory | SO | SS | Marsiling |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Sengkang |
| Pedro Investigations & Security Services Pte. Ltd. | Central | Industrial / Factory | SO | SS | Sengkang |
| Inhouse Employer | South | Hotel | SS | SS | Woodlands |
