| Ecology Project International | Academic & Science |
| Engineering Process Improvement | Academic & Science |
| Saginaw Health Sciences Library, Saginaw, Michigan Library code | Academic & Science |
| Eysenck Personality Inventory | Academic & Science |
| Epi | Airport Code |
| Evidence of Property Insurance | Business |
| Exceptional Persons Inc | Business |
| Electrochemical Products Inc | Business |
| Everyday Publications Inc | Business |
| Consolidated Edison Company of New York | Business |
| Electrical Patents Index | Business |
| Electronic Portal Imaging | Business |
| Erickson Performance, Inc. | Business |
| Export Price Index | Business |
| Electronic Product Interchange | Business |
| Educational Products Incorporated | Business |
| Expected Productivity Index | Business |
| Empowering Performance Inc | Business |
| Echo Planar Imaging | Chemistry |
| Environmental Performance Indicator | Chemistry |
| Educational Partners International | Community |
| Educational Products Inc | Community |
| Educator Preparation Institute | Community |
| Employment Policies Institute | Community |
| Energy Per Instruction | Computer Assembly Language |
| Esta Protocol Interface | Computer Hardware |
| Electronic Privacy Information | Computing |
| Express Publisher | Computing |
| Error Passive Interrupt | Computing |
| External Presentation Interface | Computing |
| Eclipse Packager Invoice | Computing |
| Espace Public Internet | Computing |
| Encapsulated Postscript (text and Graphics) (express Publisher) | File Type |
| Engine Performance Indicator | General |
| Expanded Programme on Immunisation | General |
| Electrophotonic Imaging | General |
| Equivalent Premium Income | General |
| Energetic Particle Instrument | General |
| Expanded Program on Immunization | General |
| Emulsion Polymer Isocyanate | General |
| Estimation Program Interface | General |
| Exceptional Persons Incorporated | General |
| Enrollment Power Index® | General |
| Estimated Premium Income | General |
| Entrepreneurship Pioneers Initiative | General |
| Erlandson Performance Incorporated | General |
| Early Psychosis Intervention | General |
| Exploding Plastic Inevitable | General |
| Elkhart Plastics Inc | General |
| Electronic Petrol Injection | General |
| Exhaust Port Injection | General |
| Electronically Programmed Injection | General |
| Exocrine pancreatic | General |
| Emerging Pathogens Institute | Governmental |
| Energy Partnerships Innovation | Governmental |
| Environmental Policy Institute | Governmental |
| Energy Partnerships And Innovation | Governmental |
| Experimental Printmaking Institute | Governmental |
| Environmental Protection Inc | Governmental |
| Essential Prescribing Information | Governmental |
| Expanded Programme on Immunization | Governmental |
| Economic Policy Institute | Governmental |
| Environmental Performance Index | Governmental |
| Earth Policy Institute | Governmental |
| Exit Planning Institute | Governmental |
| Environmental Products Inc | Governmental |
| Environmental Process Inc | Governmental |
| English Proficiency Index | International |
| English Proficiency Interview | International |
| English Programs for Internationals | International |
| Equipamento de Proteção Individual | International |
| Essential Prime Implicant | Maths |
| Ends Per Inch | Measurement Unit |
| Exocrine Pancreatic Insufficiency | Medical |
| Expanded Program Immunization | Medical |
| Extreme Physical Information | Medical |
| Epidemic | Medical |
| Electronic Position Indicator | Military and Defence |
| European Platforms Initiative | Regional |
| European Processor Initiative | Regional |
| European Payments Initiative | Regional |
| External Program Interface | Softwares |