| Abbreviation | Definition |
|---|---|
| EO | Engineering Order |
| EOD | Edge Of Danger |
| EOMR | End of Manufacturing Report |
| EOP | Edge Of Part (Ply) |
| EOT | Electric Overhead Transport |
| EOT | Electric Overhead Transportation |
| EP | Exploration and Production |
| EPGSS | Electroplated German Silver |
| EPIC | Electronic Plant Information Center |
| EPMS | Engineering Procurement Manufacturing Schedule |
| EPMU | Engineering, Printing and Manufacturing Union |
| ERC | Electronics Remanufacturing Company |
| ERM | Engineering Requirements Model |
| ERP | Enterprise Resource Planner |
| ERW | Electric Resistance Weld |
| ES&H | "Environmental, Safety & Health" |
| ESD | Electrostatic-discharge Sensitive Devices |
| ESDM | Electronic System Design and Manufacturing |
| ESDM | Electronics System Design and Manufacturing |
| ESR | Electron Spin Resonance |