| Rank | Abbreviation | Meaning |
|---|
| ***** | ECPI | Electronic Computer Programming Institute
| |
| ***** | ECPI | Econolite Control Products Inc
| |
| ***** | ECPI | Exxon Chemical Patents, Inc.
| |
| **** | ECPI | E Commerce Percs Inc
| |
| **** | ECPI | Enhanced Proliferation Control Initiative
| |
| **** | ECPI | European Council for Plasticisers and Intermediates
| |
| *** | ECPI | Elevator Control Position Indicator
| |
| *** | ECPI | Electronics, Communications, Programming and Information Systems
| |
| *** | ECPI | Electronic Corporate Pages, Inc.
| |
| *** | ECPI | Electronic Crime Partnership Initiative
| |
| *** | ECPI | Ecological Consultants for the Public Interest
| |
| *** | ECPI | electronic controlled pneumatic impact device
| |
| *** | ECPI | EasyCall Communications Philippines Inc.
| |
| ** | ECPI | Endometrial Carcinoma Prognostic Index
| |
| ** | ECPI | East Coast Pinochle Invasion
| |
| ** | ECPI | Early Career Principal Investigator
| |
| ** | ECPI | Environmental Construction Products International, Inc.
| |
| ** | ECPI | Electra Consumer Products Israel
| |
| * | ECPI | Electric City Power Inc
| |
| * | ECPI | Echinochloa Picta
| |
| * | ECPI | Energy and Climate Policy Interactions
| |
| * | ECPI | Encuesta Complementaria de Pueblos Indígenas
| |
| * | ECPI | Executive Consulting Partners International
| |
| * | ECPI | Elastomeric Conductive Polymer Interconnection
| |
| * | ECPI | Equitable Classroom Practices Institute
| |