| Metropolis Security Systems Pte Ltd | East | Gov Building | SSO | SS | Aljunied |
| Metropolis Security Systems Pte Ltd | East | Gov Building | SSO | SS | Aljunied |
| Aigle Security Pte Ltd | South | Condominium | SSO | SS | Aljunied |
| Aigle Security Pte Ltd | South | Condominium | SSO | SS | Aljunied |
| Ademco Security Pte Ltd | East | Industrial / Factory | SS | SS | Tampines |
| Inhouse Employer | East | Hotel | Security Mgt | SS | Punggol |
| ADT Integrated Security Solutions Pte. Ltd. | West | Commercial | SSO | SS | Punggol |
| Inhouse Employer | Central | Hotel | SSO | SS | Simei |
| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SS | Sembawang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SS | SS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SS | SS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SSO | SS | Yishun |
| A-SAT Pte Ltd | Island Wide | - | SSO | SS | Yishun |
| Primesafe Security & Investigation Pte Ltd | Island Wide | - | OE | SS | Bukit Panjang |
| 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 |
