| Center for Teaching and Learning | Academic & Science |
| Combination To Locker | Academic & Science |
| Core Test Language | Academic & Science |
| Climate TimeLine | Academic & Science |
| Computer Technology Laboratory | Academic & Science |
| C TOC2 Library | Academic & Science |
| Core Transfer Library | Academic & Science |
| Charleville | Airport Code |
| CenturyTel, Inc. | Business |
| Catalyst Paper Corporation | Business |
| Cut To Length | Business |
| Center for Transportation and Logistics | Business |
| Certified in Transportation and Logistics | Business |
| Chinese Traditional Language | Business |
| Center for Transportation Logistics | Business |
| Coal To Liquids | Chemistry |
| Canadian Talent Library | Community |
| The Center For Teaching And Learning | Community |
| Center on Teaching and Learning | Community |
| Committee of Testing Laboratories | Community |
| Collaborative for Teaching and Learning | Community |
| Center for Teaching Learning | Community |
| Common Control | Computing |
| Corel Transactional Licensing | Computing |
| Central Operator Control | Computing |
| Creative Labs | Computing |
| Complex Test Layout | Computing |
| Catalog | Computing |
| Complex Text Layout | Computing |
| Computational Tree Logics | Computing |
| Cellular Technology Ltd | Computing |
| Center for Technology Licensing | Computing |
| Center for Technology in Learning | Computing |
| Cellular Technology Limited | Computing |
| Certificate Trust List | Computing |
| Computation Tree Logic | Computing |
| Twelve Legions | Cryptocurrency |
| Citadel | Cryptocurrency |
| Complementary Transistor Logic | Electronics |
| Control File (dbase Iv - Aldus Setup) | File Type |
| Cliques Tests Links | General |
| Credit Tenant Lease | General |
| Center For Transporational Linqueistics | General |
| Complex Text Litagure | General |
| Construction Technology Laboratories | General |
| Current Tree Level | General |
| Color Transformation Language | General |
| Cynic Trust Level | General |
| Coal to Liquid | General |
| Compute Teach Learn | General |
| Circuit Total Limitation | General |
| Compact Track Loaders | General |
| Contactless Temperature Logger | General |
| Chronic Training Load | General |
| Cervical Thoracic Lumbar | General |
| Cytotoxic T Lymphocytes | General |
| Commercial Trailer Leasing | General |
| Control Temporal Logic | General |
| Compact Track Loader | General |
| Center Turn Lane | General |
| Certification Test Laboratory | General |
| Commercial Truck Load | General |
| Chevy Truck Legends | General |
| Classic Team Lotus | General |
| Camel Team Lotus | General |
| CHITAL | Indian Railway Station |
| Computational Tree Logic | Information Technology |
| Composites Testing Laboratory | Medical |
| Cytotoxic T-Lymphocyte | Medical |
| cytotoxic T-cell lymphocyte | Medical |
| Communications Technology Laboratory | Medical |
| Clinical Team Leader | Medical |
| Collaborative Teaching Laboratory | Medical |
| Candidate Target List | Military and Defence |
| Critical Task List | Military and Defence |
| Charleville, Queensland, Australia | Regional |
| Canoga Test Laboratory | Space Science |
| Control | Space Science |
| Computer Technology Link | Technology |
