| Electronic Industrial Controls | Academic & Science |
| Electronic Instrumentation and Control Engineering | Academic & Science |
| Engineering Innovation Center | Academic & Science |
| Institut Canadien des Ingénieurs | Academic & Science |
| Engine Interface Connector | Academic & Science |
| Electronic Information Center | Academic & Science |
| Electronics Instrumentation and Control | Academic & Science |
| Earned Income Credit | Accounts and Finance |
| East India Company | Business |
| Everest Industrial Company, Inc. | Business |
| Engineering Innovation and Consulting | Business |
| Excellence In Cooling | Business |
| Election Identification Certificate | Business |
| European International Contractors | Business |
| Events Industry Council | Business |
| Employee Independent Contractor | Business |
| Education In Chemistry | Chemistry |
| Extract Ion Chromatogram | Chemistry |
| Engineering Is Cool | Community |
| Electrical Insulation Conference | Community |
| Education in | Community |
| Environmental Industries Commission | Community |
| Equipment Installer's Code | Computing |
| Excellence In Communications | Computing |
| Electronic Information Corporation | Computing |
| Equipment Identification Center | Computing |
| Entitlement Inventory and Consumption | General |
| Entrepreneurship and Innovation Center | General |
| Extracted Ion Chromatogram | General |
| Early Intake Closing | General |
| Engine Ignition Controller | General |
| Electronic Instrument Cluster | General |
| Exercise Induced Collapse | General |
| Euro Info Centre | General |
| Epidermal Inclusion Cyst | General |
| East India Comedy | General |
| Encouraging and Inspiring Change | General |
| Election Identification Certificates | General |
| Emergency Interoperability Consortium | General |
| Extensible Interactive C | General |
| Excellence in competition | General |
| Extended Impregnation Cooking | General |
| Extensive Intraductal Component | General |
| Equity Inclusion and Cookies | General |
| Energy Infrastructure Council | Governmental |
| Energy Innovation Center | Governmental |
| Energy Innovation Capital | Governmental |
| Energy Intelligence Centre | Governmental |
| Event Industry Council | Governmental |
| Exhibit Industry Council | Governmental |
| Environmental Innovation Challenge | Governmental |
| Employee Information Center | Governmental |
| Environmental Issues Committee | Governmental |
| Energy Industries Council | Governmental |
| Entertainment Industries Council | Governmental |
| Energy Identification Code | Governmental |
| Energy Improvement Corporation | Governmental |
| Enforcement Initiation Criteria | Governmental |
| European Innovation Council | Governmental |
| Environmental Interpretive Center | Governmental |
| Edinburgh International College | International |
| English Intensive Course | International |
| Engineer In Charge | Jobs |
| Editor In Chief | Jobs |
| Error In Covariate | Maths |
| Emergency Index Card | Medical |
| End Item Code | Military and Defence |
| Equipment Identification Code | Military and Defence |
| Electron Indifferent Cardinal | Physics Related |
| Electron Ion Collider | Physics Related |
| Engineering Institute of Canada | Regional |
| Experimental Intercom | Space Science |