| ESCA | East of Scotland Cricket Association 
| Others |
| ESCA | East Shoreline Catholic Academy
| Others |
| ESCA | Elective Site Cleanup Agreement
| Others |
| ESCA | Electron Spectroscopy for Chemical Analysis
| Others |
| ESCA | Electronic Smart Card Account
| Others |
| ESCA | Emergency Services Coordinating
| Others |
| ESCA | Emergency Services Coordinating Agency
| Others |
| ESCA | Emirates Securities and Commodities Authority
| Others |
| ESCA | Empire Sports Car Association
| Others |
| ESCA | Empire State Consumer Association
| Others |
| ESCA | Energy Spectroscopic Chemical Analysis
| Others |
| ESCA | Environmental Services Cooperative Agreement
| Others |
| ESCA | Essex Students Community Action
| Others |
| ESCA | European Secretariat for Cluster Analysis
| Others |
| ESCA | European Small Volume Car Alliance
| Others |
| ESCA | Everton Supporters Club of Australia
| Others |
| ESCA | Exhibition Services and Contractors Association
| Others |
| ESCA | Exhibition Services Contractors Association
| Others |
| ESCA | External School Curriculum Audit
| Others |
| ESCA | Stockholm Air Base, S-Sweden
| Others |