| College of Engineering Technology | Academic & Science |
| Compact Electric Tractor | Academic & Science |
| Center of Excellence Training | Academic & Science |
| Computer Electronic Technologies | Academic & Science |
| College of Engineering Trivandrum | Academic & Science |
| Cellular Engineering Technologies | Academic & Science |
| Cognitive Enhancement Therapy | Academic & Science |
| Center for Educational Technology | Academic & Science |
| Cern Expenditure Tracking | Accounts and Finance |
| Cholet | Airport Code |
| Certified EKG Technician | Business |
| Certified Electrical Technician | Business |
| Cumberland Emerging Technologies | Business |
| Cathedral Energy Services LTD. | Business |
| Certified Elevator Techican | Certifications |
| Conservation Employee Training | Community |
| Creativity Education and Travel | Community |
| Community Ethnicity Type | Community |
| Creating Excellence Together | Community |
| Communication Efficiency Test | Community |
| Consultation Education and Training | Community |
| Center for Educational Technologies | Community |
| Corporate Education and Training | Community |
| Continuing Education and Training | Community |
| Council for Educational Technology | Community |
| Central European Television | Community |
| Cycle Electrical Test | Computer Hardware |
| Configura Extension Technology | Computing |
| Center for Emerging Technology | Computing |
| Center for Emerging Technologies | Computing |
| Color Enhanced Technology | Computing |
| Cisco Encryption Technology | Computing |
| Computer Enhanced Telephony | Computing |
| Calculator Electronic Tranzistorizat | Computing |
| CoinEx Token | Cryptocurrency |
| Crypto Energy Token | Cryptocurrency |
| Computer Engineering Technology | Educational Degree |
| College of Engineering and Technology, Bhubaneswar | Educational Institute |
| College English Test | Educational Institute |
| College of Emerging Technologies | Educational Institute |
| Count Enable Trickle | Electronics |
| Common Entrance Test | Entrance Exam |
| Centro Europeo Toscolano | General |
| Common Extensor Tendon | General |
| Cement Evaluation Tool | General |
| Cutting Edge Technology | General |
| Clutch Engagement Torque | General |
| Commemorative Edition Turbo | General |
| Chrome Exhaust Tip | General |
| Comcast Entertainment Television | General |
| Center for Excellence in Teaching | General |
| Central England Temperature | General |
| Contoured Exotic Top | General |
| Center for Excellence Training | General |
| Cascades East Transit | General |
| Cold Environmental Test | General |
| Control de Estabilidad Y Traccion | General |
| Club Euro Trabi | General |
| Center for Economic Theory | Governmental |
| Contraband Enforcement Team | Governmental |
| Center for Environmental Therapeutics | Governmental |
| Commissionerate of Employment Training | Governmental |
| Center for Employment Training | Governmental |
| Center For Economic Transformation | Governmental |
| Commissione dell'Economia e dei Tributi | International |
| Centro de Estudios Tecnológicos | International |
| Certified Electronics Technician | Jobs |
| Certified Environmental Trainer | Jobs |
| Certifiable Entertaining Troll | Jobs |
| Certified Engineering Technologist | Jobs |
| Civil Engineering Technician | Jobs |
| Certified Elevator Technician | Jobs |
| Clark Equality Theory | Maths |
| Clinical Education Training | Medical |
| Central European Tucnak | Medical |
| Coefficient of Equivalent Thickness | Medical |
| Cancer Exercise Trainer | Medical |
| Combat Engineer Tractor | Military and Defence |
| Constant Elasticity of Transformation | Physics Related |
| Central Europe Technologies | Regional |
| Canyon Extreme Track | Sports |
| Center for Entrepreneurship and Technology | Technology |
| Central European Time | Time |