sort by Rank | Alpha
| Possible Meanings | Rank |
| Channel Table of Contents | **** |
| Community Technology Organizing Consortium | *** |
| Central Trust of China | ** |
| Chemicals Technical Options Committee | ** |
| City of Trees Orienteering Club | ** |
| Chief Technology Officers Council | ** |
| Clinical Trials of Orange County | ** |
| Carigali Triton Operating Company | * |
| Citizens Transportation Oversight Committee | * |
| Citrus Tariff Oversight Committee | * |
| Clinical Trials Operations Committee | * |
| Cap and Trade Oversight Committee | * |
| Comprehensive Training in Oral and Craniofacial | * |
| Central Technical Order Control | * |
| Corporate Time Outlook Connector | * |
| corp tactical operations center | * |
| Corps Tactical Operations Center (Main) | * |