| Abbreviation | Definition |
|---|---|
| GRCC | Greater Richmond Chamber of Commerce |
| GRECA | Greek e-Commerce Association |
| GSCC | Greater Springfield Chamber of Commerce |
| GTCS | Global Trade and Commerce Studies |
| GWCC | Greater Warrenton Chamber of Commerce |
| GYCC | Greater Yakima Chamber of Commerce |
| GYCCI | Gauteng Youth Chamber of Commerce and Industry |
| HACC | Hispanic American Chamber of Commerce |
| HAIC | Harbor Association of Industry and Commerce |
| HAIC | Harbor Association of Industry Commerce |
| HCCC | Hungarian Canadian Chamber of Commerce |
| HHCC | Houston Hispanic Chamber Of Commerce |
| HICC | Hawaii Island Chamber of Commerce |
| HICC | Houston Intercontinental Chamber of Commerce |
| HKCC | Hawaii Korean Chamber of Commerce |
| HKSC | Hong Kong School of Commerce |
| HQCC | Health Quality Chamber of Commerce |
| HRCC | Hampton Roads Chamber of Commerce |
| HWCC | Hmong Wisconsin Chamber of Commerce |
| IACC | Indian American Chamber of Commerce |