| Electronic Cigarette Convention | Academic & Science |
| Earth Continuity Conductor | Academic & Science |
| Enhanced Call Completion (ITS) | Academic & Science |
| East Campus Classrooms | Academic & Science |
| Error Correction And Checking | Academic & Science |
| Electronic Child Care | Academic & Science |
| Electronic Credit Card | Academic & Science |
| Electronic Charge Compensation | Academic & Science |
| Erection Completion Certificate | Academic & Science |
| Electrical Cross Connect | Academic & Science |
| Emergency Core Cooling/Coolant | Academic & Science |
| Electrical Connectivity Check | Academic & Science |
| Emergency Control Circuit | Academic & Science |
| Electronic Camera Coverage | Academic & Science |
| Electric Cable Conduit | Academic & Science |
| Exclusive Channel Collaboration | Business |
| Equity Cost of Capital | Business |
| Escondido Cycle Center | Business |
| Eco Certified CompositeTM | Business |
| Export Compliance Control | Business |
| Expertise Conseil Commissariat (French: Expertise Council Commission; accounting) | Business |
| ERP Central Components | Business |
| Capital Corporation | Business |
| E C C International Corporation | Business |
| Emulsion Cloud Chamber | Chemistry |
| Evolution Control Committee | Community |
| Eastern Cincinnati Conference | Community |
| Ethnic Cultural Center | Community |
| Evangelical Covenant Church | Community |
| Educational Cultural Complex | Community |
| Elim Christian Collage | Community |
| Episcopal Conference Center | Community |
| East Coast Conference | Community |
| Equity Chorus Call | Community |
| EXFOR Coordinating Committee | Community |
| The Evolution Control Committee | Community |
| Evangelical Community Church | Community |
| Ecclesiastes | Community |
| Estonian Council of Churches | Community |
| Exploring Cultures And Countries | Community |
| East Coast Crips | Community |
| Episcopal Cathedral Church | Community |
| Enterprise Computing Community | Community |
| Evaluation Conference Committee | Community |
| Education Communication Community | Community |
| Edgecombe Community College | Community |
| Electronic Communications Committee | Community |
| Education Curriculum Center | Community |
| Excelsior Conservation Corps | Community |
| Electronic Components Conference | Community |
| Educational Capacity Committee | Community |
| Early Childhood Consultant | Community |
| Encouragement, Comfort, and Compassion | Community |
| Environmental Conservation Club | Community |
| Expanded Control Channel | Computer and Networking |
| Error Correction Circuitry | Computer Hardware |
| Excise Control Code | Computer Technology |
| Error Crc Check | Computing |
| Error Correction Coding | Computing |
| A Error Correction And Control | Computing |
| E-Commerce Conference | Computing |
| Easy Cloud Computing | Computing |
| Error Correction Code | Computing |
| Error Checking and Correction | Computing |
| Error Correcting Code | Computing |
| Electronic Check Conversion | Computing |
| Error Check and Correction | Computing |
| Erlang Compiler Compiler | Computing |
| Electronic Commerce Code | Computing |
| Enterprise Certified Corporation | Computing |
| Error Code Capture | Computing |
| Error Check Code | Computing |
| Enterprise Command Center | Computing |
| Essential Crypto Container | Computing |
| e-Mail Control Center | Computing |
| Erasure Correction Coding | Computing |
| Enter Cable Change | Computing |
| Euronet Contact Center | Computing |
| ECC | Cryptocurrency |
| Etherconnect | Cryptocurrency |
| Empire Capital Token | Cryptocurrency |
| Elgin Community College | Educational Institute |
| Erie Community College | Educational Institute |
| El Camino College | Educational Institute |
| Ellsworth Community College | Educational Institute |
| East Central College | Educational Institute |
| Essex County College | Educational Institute |
| Error Correction Circuit | Electronics |
| Electric City Car | General |
| Engine Combined Cycles | General |
| Eurocup Clio | General |
| Engine Control Computer | General |
| Electronic Cruise Control | General |
| Evolutionary Cruise Control | General |
| Endurance Champions Cup | General |
| Efficient Climate Control | General |
| Edmonton Corvette Club | General |
| Electronic Chassis Control | General |
| Electronic Computer Control | General |
| Electronically Controlled Clutch | General |
| Expansion Combustion Chamber | General |
| East Coast Cruizers | General |
| El Camino Central | General |
| Electric Car Challenge | General |
| Efficient Cruise Control | General |
| Elite Car Club | General |
| Enterprise Car Club | General |
| Evaporator Emission Control | General |
| Engineering Center California | General |
| Ethylene Cracker Complex | General |
| El Carro Colombiano | General |
| Early Childhood Caries | General |
| Electric Car Club | General |
| Extreme Cold Conditions | General |
| Exotic Car Club | General |
| Experimental Concept Car | General |
| Early Childhood Center | General |
| Error Correcting Correction | General |
| Emergency Cardiovascular Care | General |
| Enterprise Central Component | General |
| Emergency call codes | General |
| Evergreen Compassionate Care | General |
| Error Correction Codes | General |
| Exercise Controls Circulation | General |
| Elliptical Curve Cryptography | General |
| Enhanced Communications Control | General |
| Electronic Climate Control | General |
| Environment Concept Car | General |
| Equipment Capability Customer | General |
| Electronic Control Center | General |
| Electronic Controlled Carburetion | General |
| Electric Car Company | General |
| Electronically Controlled Coupling | General |
| Electrically Heated Catalytic Converter | General |
| Engine Control Cards | General |
| East Chop Caretaker | General |
| Eddy currents correction | General |
| Entrepreneur Collaborative Center | General |
| Emergency and Critical Care | General |
| Electric Charge Capacity | General |
| Environment Conflict And Cooperation | General |
| Expiration of Current Contract | General |
| Expanded Core Curriculum | General |
| Engineered Cramer Composites | General |
| Emergency Communications Center | General |
| Emergency Care Consultants | General |
| Esx Conserved Component | General |
| Enterprize Central Component | General |
| Exemption Coordinating Cell | General |
| Emergency Closing Center | General |
| Eukor Car Carriers | General |
| ERP Central Component | General |
| Exotic Car Collection | General |
| Electric Classic Cars | General |
| Electric Car Corporation | General |
| Electric Car Convert | General |
| Elantra Club Cebu | General |
| Europe Car Club | General |
| European Cobra Club | General |
| East Coast Customs | General |
| Emerald Coast Cruizin | General |
| Emerald Car Club | General |
| Editing For Clear Communication | General |
| Enduring Command Center | Governmental |
| Environmental Collection Center | Governmental |
| Emergency Call Center | Governmental |
| Economic Commitie Cncl | Governmental |
| Elections Canvassing Commission | Governmental |
| Economic Coordination Committee | Governmental |
| Electronic Control Code (US Army) | Governmental |
| Environmental Control Committee | Governmental |
| EAST CABIN LUCKNOW | Indian Railway Station |
| Elliptic Curve Cryptography | Information Technology |
| English Conversation Cult | International |
| European Clinical Chemist | Jobs |
| Even Cross-correlation | Maths |
| External Cardiac Compressions | Medical |
| Electronic Cancer Checklists | Medical |
| Endovascular Cardiac Complications | Medical |
| Effective Critical Carbohydrates | Medical |
| Emergency Coordination Center | Medical |
| EndoCervical Curettage | Medical |
| Exceptional Cases Committee | Medical |
| eccentric contractions | Medical |
| Edgbaston Commissioning Consortia | Medical |
| Embryonal Cell Carcinoma | Medical |
| Emergency Care Center | Medical |
| enterochromaffin cells | Medical |
| Estimated Creatinine Clearance | Medical |
| Evaluation of Clinical Competence | Medical |
| External Chest Compression | Medical |
| extracorporal circulation | Medical |
| Enteric Coated Capsule | Medical |
| Emergency Cardiac Care | Medical |
| Experiment Control Center | Military and Defence |
| Exfor Coordination Cell | Military and Defence |
| Engineer Coordination Cell | Military and Defence |
| Evacuation Control Center | Military and Defence |
| Engineered Cementitious Composite | Physics Related |
| European Consumer Center | Regional |
| European Control Conference | Regional |
| Error Checking and Correcting | Softwares |
| Engineering Change Control | Space Science |
| Engineering Critical Component | Space Science |
| Eastern Connecticut Conference | Sports |
| East Central Conference | Sports |
| Extended Community Calling | Telecommunication |
