| Rank | Abbreviation | Meaning |
|---|
| ***** | ECCG | Eccentric Conductor with Complete Ground
| |
| **** | ECCG | Enhanced Computer Control Group
| |
| **** | ECCG | European Conference on Crystal Growth
| |
| *** | ECCG | École de Commerce et de Culture Générale
| |
| *** | ECCG | East Cork Camera Group
| |
| *** | ECCG | Executive Client Coverage Group
| |
| *** | ECCG | Ecole de Commerce et de Culture Générale
| |
| ** | ECCG | Evangeline Community Consultative Group
| |
| ** | ECCG | Egyptian Code of Corporate Governance
| |
| ** | ECCG | Executive Customer Care Group
| |
| ** | ECCG | European Centre for Corporate Governance
| |
| ** | ECCG | Eco Conversion Consulting Group
| |
| * | ECCG | European Centre for Common Ground
| |
| * | ECCG | European Caenozoic Contact Group
| |
| * | ECCG | Experimental Centre Consultation Group
| |
| * | ECCG | Early Childhood Construction Grant
| |
| * | ECCG | European Center for Common Ground
| |
| * | ECCG | Emerald Coast Communications Group
| |
| * | ECCG | European Consumer Consultative Group
| |
| * | ECCG | Evil Cookies Cosplay Group
| |
| * | ECCG | Eco Counselling Centre Galati
| |
| * | ECCG | Evans Chaffee Construction Group
| |
| * | ECCG | Embedded Communications Computing Group
| |
| * | ECCG | Electricity Customer Choice Group
| |
| * | ECCG | Eco Counseling Center Galati
| |