What does Ei stand for?

Eire (SAUS)

Engineering Information - An association - Also, an information service or system (EA)

Engineering Information, Inc. (SAUO)

exponential integral function (SAUS)

estrogen index (SAUS)

Iberian Peninsula - MARC geographic area code - Library of Congress (LCCP)

Airline Carrier code (SAUS)

Air Lingus - ICAO designator (AD)

Early Intervention

Early Iron Age - Archeology (BJA)

Earned Income

Earth Inductor (SAUS)

Earth Interface (ODA)

East India (ROG)

East Indies

Eat-In - Kitchen - Classified advertising

Echo Intensity - Marine science

Ecoforestry Institute - United States (EA)

Ectopic Implantation - Medicine (MELL)

Ecumenical Institute - World Council of Churches (EA)

Educational Insights

Educational Intervention (SAUS)

Educationally Impaired

Education International (SAUS)

Effectiveness Index (MCD)

Eichstaett - German license plate city code

Eisenhower Institute (EA)

Eisenhower World Affairs Institute (EA)

Elderhostel, Inc. (EA)

Electrical Industries (SAUS)

Electrical Instrument (SAUS)

Electrical Insulation (MCD)

Electric Iron (SAUS)

Electrogist International (SAUS)

Electro Industries (SAUS)

Electro Institute (SAUS)

Electro Instruments (SAUS)

Electrolyte Imbalance - Physiology

Electromagnetic Interference

Electronic Ignition - Automotive engineering

electronic imaging (SAUS)

Electronic Imaging Conference and Exposition (ITD)

electronic injection (SAUS)

Electronic Installation

Electronic Instruction (MCD)

Electronic Intelligence (ACAE)

Electronic Interface (MCD)

Electronic Interference

Electron Impact - Mass spectrometry

Electron-Impact Ionization (EDCT)

Electron Ionization - Spectrometry

Eligible Individual - Social Security Administration

Elmwood Institute (EA)

Emaus Internacional - Emmaus International (EA)

Embrittlement Index (PDAA)

Emergency Injection - Nuclear energy (NRCH)

Emergency International (EA)

Emery Industries, Incorporated (SAUO)

Emigrant Institute - Sweden

Emission Index

Emissions Inventory - Environmental Protection Agency (GFGA)

Emmission Index (SAUS)

Emotional Intelligence (MELL)

Emotionally Impaired

Empathy Inventory - Teacher evaluation test

Employee Involvement - Human resources (WYGK)

Employer Identification (SAUS)

Employment Insurance (FOTI)

Employment Inventory - George Paajanen (TES)

Empowerment Inventory - Test (TMMY)

Emulsion In - Photography (WDMC)

Enable Interrupt (MHDB)

Enamelled Iron (SAUS)

Endevco, Inc. (EFIS)

Ending Inventory

End Injection (IEEE)

End Item

Endocrinology Index - Publication - Medicine (EDAA)

Enemy Intelligence

energy index (SAUS)

Energy Information Administration (SAUO)

Energy Institute - Research center (RCD)

Energy Intake (ODA)

Energy North, Inc. - NYSE symbol (SAG)

Engineering Index (ECII)

Engineering Index, Incorporated (SAUO)

Engineering Information, Incorporated (SAUS)

Engineering Instruction

Engineering Investigation (MCD)

Engineering Item (MCD)

English Institute (EA)

Entayant Institute (EA)

Enterprise Integration (SAUS)

Entrepreneurial Institute - Australia

Entry Interface (NASA)

Entsiklopedyah 'Ivrit - or Enziklopedyah 'Ivrit (BJA)

Environmental Illness (SAUO)

Environmental Impact (NASA)

Environmentally Ill - Medicine

Environment Institute (SAUS)

Enzyme Inhibitor - Biochemistry

Eosinophilic Index - Medicine (MAE)

Epilepsy International (EAIO)

Epitheliogenesis - Equine term (TED)

Epitheliogenesis Imperfecta - Equine term (TED)

Equilibrium Index (SAUS)

Equipment Integration - Electronics (AAEL)

Equipment Item (MCD)

Equitable of Iowa Companies (EFIS)

Error Increments (SAUS)

Error Indicator - Computer science

Erythema Infectiosum - Medicine (MELL)

Esalen Institute (EA)

Essential Information - An association (EA)

Essex Institute (SAUS)

Establishment Inspection - Federal government

Ethyleneimine - Organic chemistry

Etiquette International - Commercial firm

Eugene Ionesco (SAUS)

Eunice Institute (SAUS)

European Initiative (SAUO)

Evaluation Indication (SAUS)

Evaluation Instrumentation (AAG)

Exact Interest - Banking

Exaltation of Inanna - A publication (BJA)

Excepted Indefinite (ALAC)

Excessively Included - Colored gemstone grade

Excretory Index - Medicine (EDAA)

Execution Interrupt (SAUS)

Executive Instruments - Ghana - A publication (DLA)

Ex-Interest - Without the right to interest - Finance

Existential Instantiation - Rule of quantification - Logic

Exit Instruction (SAUS)

Expander Input (SAUS)

Expansion Interface - Electronics

Explosives Inspectorate (HEAS)

Exponential Integral

Exposure Index - Photography

Extensions for Independence - An association (EA)

External Interconnect (SAUS)

External Interrupt (SAUS)

External Irradiation (ODA)

Extra-Illustrated

Eye Balls In (SAA)

Ireland - GeoNet country code (GEON)

Ireland - Federal Information Processing Standard (FIPS) country code (GEON)

Irina Dunn Environment Independents - Political party - Australia