| Abbreviation | Definition |
|---|---|
| IACC | Italian American Chamber of Commerce |
| IACCI | Indo Arab Chamber of Commerce and Industries |
| IACCI | Iraqi Asian Chamber of Commerce and Industry |
| IACCM | Italian American Chamber of Commerce of Michigan |
| IBCC | Indian Baltic Chamber of Commerce |
| IBCC | Indianapolis Black Chamber of Commerce |
| IBCC | Israel Britain Chamber of Commerce |
| IBFCC | Indo Baltic Federation of Culture and Commerce |
| IBOC | International Bureau of Commerce |
| ICC | Interstate Commerce Communicator |
| ICCI | Islamabad Chamber of Commerce Industry |
| ICCO | Italian Chamber of Commerce of Ontario |
| IGCC | International Group of Chambers of Commerce |
| IISC | International Institute of Space Commerce |
| IJCC | Ireland Japan Chamber of Commerce |
| IJCF | International Journal of Commerce and Finance |
| IJCM | International Journal of Commerce and Management |
| ILCC | Ireland Luxembourg Chamber of Commerce |
| IPRA | Internet Piracy Review Agency |
| ITCC | India Thai Chamber of Commerce |