| Rank | Abbreviation | Meaning |
|---|
| ***** | GCEC | Gold Country Equestrian Center
| |
| ***** | GCEC | Grayson-Collin Electric Cooperative, Inc.
| |
| ***** | GCEC | Global Change and Ecological Complexity
| |
| ***** | GCEC | Graduate Certificate in Executive Coaching
| |
| ***** | GCEC | Groupe Consultatif Européen des Consommateurs
| |
| ***** | GCEC | Glomerular Capillary Endothelial Cell
| |
| ***** | GCEC | Graham County Electric Cooperative
| |
| **** | GCEC | Georgia College Early College
| |
| **** | GCEC | Graham County Electric Cooperative, Inc.
| |
| **** | GCEC | Guam Commission for Educator Certification
| |
| *** | GCEC | Greek Community Educational Consultants
| |
| *** | GCEC | Gila Conservation Education Center
| |
| *** | GCEC | Gold Coast Environment Center
| |
| *** | GCEC | Global Clean Energy Congress
| |
| *** | GCEC | Global Consortium of Entrepreneurship Centers
| |
| *** | GCEC | Grayson-Collin Electric Cooperative
| |
| *** | GCEC | Gem City Engineering Company
| |
| ** | GCEC | Glenfield College Eccentric Cyborgs
| |
| ** | GCEC | Greater Colombo Economic Commission
| |
| ** | GCEC | Greenville Cultural Exchange Center
| |
| ** | GCEC | Gulf Coast Electric Cooperative
| |
| ** | GCEC | Gold Coast Environment Centre
| |
| * | GCEC | Graham County Education Consortium
| |