| ISITC | International Securities Association for Institutional Trade Communication | 国际机构贸易通信证券协会 |
| ISITC | International Securities Association for Institutional Trade Communications | 国际机构贸易通信证券协会 |
| ISITC | International Symposium on Information Technology Convergence | 信息技术融合国际研讨会 |
| ISITC | Industry Standardization for Institutional Trade Communication | 机构贸易沟通的行业标准化 |