| ETIS | Education Technology and Information Services 
| Others |
| ETIS | Education Technology Information Services
| Others |
| ETIS | Electronic Tax Information System
| Others |
| ETIS | Electronic Technical Information Services
| Others |
| ETIS | Electronic Telecommunications Informatics Services
| Others |
| ETIS | Electronic Telephone Inquiry System
| Others |
| ETIS | Electronic Tire Information System
| Others |
| ETIS | Electronic Tire Information Systems
| Others |
| ETIS | Elephant Trade Information System
| Others |
| ETIS | Energy Technology and Innovation Strategy
| Others |
| ETIS | Energy Technology Innovation System
| Others |
| ETIS | Environmental Technologies Information Systems
| Others |
| ETIS | Environmental Test and Integration Services
| Others |
| ETIS | Europe Technical Information System
| Others |
| ETIS | European Tangible Interaction Studio
| Others |
| ETIS | European Tourism Indicator System
| Others |
| ETIS | European Tourism Indicators System
| Others |