| Certis Group | South | Healthcare | SS | SS | Punggol |
| SMS Investigation & Security Pte Ltd | East | Condominium | SS | SS | Punggol |
| First Security & Private Investigation (Singapore) Pte Ltd | Central | Retail | SO | SS | Punggol |
| First Security & Private Investigation (Singapore) Pte Ltd | East | Condominium | SS | SS | Punggol |
| SMS Investigation & Security Pte Ltd | East | Condominium | SS | SS | Punggol |
| First Security & Private Investigation (Singapore) Pte Ltd | East | Condominium | SS | SS | Punggol |
| SMS Investigation & Security Pte Ltd | East | Condominium | SSO | SS | Punggol |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SSO | SS | Punggol |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Punggol |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | SS | Punggol |
| Acestes Pte Ltd | Island Wide | - | Security Mgt | SSS | Punggol |
| First Security & Private Investigation (Singapore) Pte Ltd | East | Condominium | SS | SS | Punggol |
| Focus Security Services Pte Ltd | East | Condominium | SS | SS | Punggol |
| Security & Risk Solutions Pte. Ltd. | East | Commercial | SO | SO | Punggol |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SSS | Punggol |
| Oneberry Technologies Pte Ltd | East | School | SSS | SSS | Punggol |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSS | Queenstown |
| Avantec Management Pte Ltd | Central | Condominium | SS | SSS | Queenstown |
| Metropolis Security Systems Pte Ltd | Central | Condominium | SSS | SSS | Queenstown |
| Prosegur Singapore Pte Ltd | South | Commercial | SSS | SSS | Queenstown |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSS | Queenstown |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Queenstown |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SSS | Queenstown |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Queenstown |
| Dragnet Smartech Security Pte Ltd | West | Commercial | SS | SSS | Queenstown |
