| Resorts World Sentosa | South | Commercial | SS | SS | HarbourFront |
| Primesafe Security & Investigation Pte Ltd | South | Commercial | SS | SSS | Geylang Bahru |
| Metropolis Security Systems Pte Ltd | Central | Industrial / Factory | SO | SSS | Geylang Bahru |
| Peregrine Security Pte. Ltd. | Central | - | SSO | SS | Geylang Bahru |
| Ademco Security Pte Ltd | Island Wide | - | OE | SS | Geylang Bahru |
| Strive Security Pte Ltd | Island Wide | - | OE | SS | Geylang Bahru |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SS | Geylang Bahru |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SS | Farrer Park |
| William Secure Solutions Pte Ltd | Central | Condominium | SSO | SS | Farrer Park |
| Premier Security Co-operative Ltd | Central | Commercial | SSO | SS | Farrer Park |
| Concorde Security Pte Ltd | Central | Commercial | SO | SS | Farrer Park |
| Premier Security Co-operative Ltd | Central | Healthcare | SSS | SS | Farrer Park |
| William Secure Solutions Pte Ltd | Central | Condominium | SO | SS | Farrer Park |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Farrer Park |
| Certis Group | Central | School | SSO | SS | Farrer Park |
| Shine Security Agency Pte Ltd | Island Wide | - | OE | SS | Farrer Park |
| Inhouse Employer | Island Wide | - | OE | SS | Farrer Park |
| Hotel Grand Central | Central | Hotel | Security Mgt | SS | Farrer Park |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SS | Farrer Park |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SS | Farrer Park |
| Inhouse Employer | Central | In-House | SSS | SS | Farrer Park |
| Artyzen Singapore | Central | Hotel | SS | SS | Farrer Park |
| Hotel Grand Central | Central | Hotel | Security Mgt | SS | Farrer Park |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Farrer Park |
| Inhouse Employer | Central | Hotel | SS | SS | Farrer Park |
