| Rank | Abbreviation | Meaning |
|---|
| ***** | CDTC | Course Director Training Course
| |
| ***** | CDTC | Child Development Training Consortium
| |
| **** | CDTC | Cable Design Technologies Corporation
| |
| **** | CDTC | Controlling Device for Transmission Control
| |
| **** | CDTC | California Drafting Technology Consortium
| |
| **** | CDTC | Charlotte Dog Training Club
| |
| **** | CDTC | Court Diagnostic and Treatment Center
| |
| *** | CDTC | Capital Dog Training Club
| |
| *** | CDTC | Community Development and Training Centre
| |
| *** | CDTC | Capital District Triathlon Club
| |
| ** | CDTC | Combat Development Test Center
| |
| ** | CDTC | Continental Divide Trail Coalition
| |
| ** | CDTC | Capital District Transportation Committee
| |
| ** | CDTC | Companion Dog Training Club
| |
| ** | CDTC | Central Dakota Telecommunications Consortium
| |
| ** | CDTC | Capital District Transportation Commission
| |
| * | CDTC | Ceramics Development & Training Complex
| |
| * | CDTC | Canine Detection Training Center
| |
| * | CDTC | Community Development Training Center
| |
| * | CDTC | Canaan Democratic Town Committee
| |
| * | CDTC | California Dairy Technology Center
| |
| * | CDTC | Cheshire Democratic Town Committee
| |
| * | CDTC | Commercial Driver Training Consultants
| |
| * | CDTC | Children's Diagnostic & Treatment Center's
| |
| * | CDTC | Children's Diagnostic and Treatment Center
| |