| Rank | Abbreviation | Meaning |
|---|
| ***** | ECCR | Easement with Covenants Conditions & Restrictions
| |
| ***** | ECCR | Ecumenical Council for Corporate Responsibility
| |
| ***** | ECCR | Extended Communication Control Register
| |
| **** | ECCR | Ethical Care Control and Restraint
| |
| **** | ECCR | European Council for Cardiovascular Research
| |
| **** | ECCR | Economic Chamber of the Czech Republic
| |
| *** | ECCR | École de Conduite la Citadelle du Rocher
| |
| *** | ECCR | Exchange Customer Cable Record
| |
| *** | ECCR | Exploratory Center for Cheminformatics Research
| |
| *** | ECCR | Étude Conception Construction Réhabilitation
| |
| *** | ECCR | Electrically Calibrated Cryogenic Radiometer
| |
| ** | ECCR | Electoral Commission of the Chechen Republic
| |
| ** | ECCR | Extended Clock Control Register
| |
| * | ECCR | European Consortium of Communication Research
| |
| * | ECCR | Echinochloa crus-galli
| |
| * | ECCR | Eligibility Case Control Reviewer
| |
| * | ECCR | Exposition Conflict Climax and Resolution
| |
| * | ECCR | European China Centre Rotterdam
| |
| * | ECCR | Ethnic Conflict and Conflict Resolution
| |
| * | ECCR | ELECTRONIC CASH AND CREDIT REGISTER
| |
| * | ECCR | Ecumenical Committee for Corporate Responsibility
| |
| * | ECCR | Études Conseil Construction Réunion
| |
| * | ECCR | Emergency Committee for Civil Rights
| |
| * | ECCR | Eastern Capital City Regional
| |
| * | ECCR | Electronic Closed Circuit Rebreather
| |