| Soverus Pte Ltd | Central | Industrial / Factory | SS | SO | Bright Hill |
| Focus Security Services Pte Ltd | West | Condominium | SS | SO | Bright Hill |
| Focus Security Services Pte Ltd | West | Condominium | SS | SO | Bright Hill |
| Focus Security Services Pte Ltd | West | Condominium | SS | SO | Bright Hill |
| FormTeam Consultancy Pte Ltd | East | Condominium | SS | SO | Bright Hill |
| Sands Global Pte Ltd | Central | Condominium | SS | SO | Bright Hill |
| Securus Pte Ltd | Central | Condominium | SS | SO | Bright Hill |
| Inhouse Employer at Changi | East | Commercial | OE | SSO | Buangkok |
| Inhouse Employer at Changi | East | Commercial | OE | SSO | Buangkok |
| Reachfield Security & Safety Management Pte Ltd | Island IWde | - | SS | SS | Buangkok |
| GATES PCM Integrated Services Pte Ltd | Island IWde | - | OE | SS | Buangkok |
| Excellent Security & Safety Pte Ltd | North | Data Centre | SO | SS | Buangkok |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | Commercial | SS | SS | Buangkok |
| AETOS Holdings Pte Ltd | West | - | SO | SS | Buangkok |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | Nil | Buangkok |
| Force-One Security | North | Data Centre | OE | SS | Buangkok |
| Crowne Plaza Changi Airport | East | In-House | OE | SSO | Buangkok |
| Ashtree International Pte. Ltd. | West | Dormitory | SO | SO | Bukit Batok |
| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
| Aedge Services Pte Ltd | Island Wide | - | OM | CSO | Bukit Batok |
| Inhouse Employer | Island Wide | Construction | OM | CSO | Bukit Batok |
| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
| Aedge Services Pte Ltd | Island Wide | - | OM | CSO | Bukit Batok |
| Aedge Services Pte Ltd | Island Wide | - | OM | SS | Bukit Batok |
