| Rank | Abbreviation | Meaning |
|---|
| ***** | GCHA | Golf Club Harrachov
| |
| ***** | GCHA | German Curly Horse Association
| |
| ***** | GCHA | Garden City Hockey Association
| |
| ***** | GCHA | Grid Computing and High Availability
| |
| **** | GCHA | Glan Clwyd Hospital Audiology
| |
| **** | GCHA | Greater Cincinnati Handball Association
| |
| **** | GCHA | Greater Cleveland Healthcare Association
| |
| **** | GCHA | Greater Cleveland Hospital Association
| |
| *** | GCHA | General Championship Hall Affairs
| |
| *** | GCHA | Golfclub Hamburg-Ahrensburg eV
| |
| *** | GCHA | Grand County Historical Association
| |
| *** | GCHA | Gold Coast Hockey Association
| |
| *** | GCHA | Gulf Coast Heritage Association
| |
| *** | GCHA | Georgia Children's Health Alliance
| |
| *** | GCHA | Gravesend Churches Housing Association
| |
| *** | GCHA | Garfield County Housing Authority
| |
| *** | GCHA | Grundy County Housing Authority
| |
| *** | GCHA | Gain Cell Headphone Amplifier
| |
| ** | GCHA | Gotham City Heart Attack
| |
| ** | GCHA | Giant cell hyalin angiopathy
| |
| ** | GCHA | Gulf Coast Heritage Association, Inc.
| |
| ** | GCHA | Greenlawn-Centerport Historical Association
| |
| ** | GCHA | Greater Chattanooga Hospitality Association
| |
| * | GCHA | Gap Cedex Hautes Alpes
| |