| Rank | Abbreviation | Meaning |
|---|
| ***** | ECHO | European Community Humanitarian Office
| |
| ***** | ECHO | European Commission's Humanitarian Aid Office
| |
| ***** | ECHO | Executive Council of Homeowners
| |
| **** | ECHO | Exploring Cultural Heritage Online
| |
| **** | ECHO | European Commission Host Organisation
| |
| *** | ECHO | Ethnicity, Culture and Health Outcomes
| |
| *** | ECHO | Educated Choices Heighten Opportunities
| |
| ** | ECHO | European Cultural Heritage Online
| |
| ** | ECHO | Evangelical Christian Humanitarian Outreach
| |
| ** | ECHO | Emerald Centre for Hope and Outreach
| |
| ** | ECHO | Emergency Care Help Organization
| |
| ** | ECHO | Educational Concerns for Hunger Organization
| |
| * | ECHO | Expressive Communication Help Organization
| |
| * | ECHO | Elder Cottage Housing Opportunity
| |
| * | ECHO | Expertise Centrum Hoger Onderwijs
| |
| * | ECHO | Ecological, Cultural, Heritage and Outdoors
| |
| * | ECHO | Early Childhood Higher-Education Options
| |
| * | ECHO | Ecology, Culture, History, Opportunity
| |
| * | ECHO | Egyptian Cultural Heritage Organization
| |
| * | ECHO | Every Citizen Has Opportunities, Inc.
| |
| * | ECHO | Emergency Counter-Hostilities Organization
| |
| * | ECHO | Environmental, Cultural, Historic and Outdoor
| |
| * | ECHO | Etudiants-Chercheurs de l'Onera
| |
| * | ECHO | English Conversation Hello Okay
| |
| * | ECHO | Educationally Constructed Housing Opportunities
| |