| ECIS | E Commerce Interoperability Standard 
| Others |
| ECIS | Early Childhood Intervention Services
| Others |
| ECIS | East Coast Induction Systems
| Others |
| ECIS | Eddy Current Inspection System
| Others |
| ECIS | Education Centers for IBM Software
| Others |
| ECIS | Educational Center for International Students
| Others |
| ECIS | Eighteenth-Century Ireland Society
| Others |
| ECIS | Eindhoven Centre for Innovation Studies
| Others |
| ECIS | Electric cell-substrate impedance sensing
| Others |
| ECIS | Electronic Course Instructor Surveys
| Others |
| ECIS | Electronic Customer Information System
| Others |
| ECIS | Elvis Costello Information Service
| Others |
| ECIS | Emergency Care Instruction Services
| Others |
| ECIS | Emergency Contact Information System
| Others |
| ECIS | Engineering Careers Information Service
| Others |
| ECIS | Enterprise Component Information System
| Others |
| ECIS | Enterprise Component Integration System
| Others |
| ECIS | European Colloid and Interface Society
| Others |
| ECIS | European Committee for Interoperable Systems
| Others |
| ECIS | European Conference on Information Systems
| Others |
| ECIS | European Council of International Schools
| Others |