| Abbreviation | Definition |
|---|---|
| ECSG | Ehrlich Consulting Sales Group |
| EDQC | Ellen Diggs Quality Consulting |
| EDS | Engineering Design Specification |
| EEC | Expert Environmental Consulting |
| EECG | Education Executive Consulting Group |
| EECG | Energy Environmental Consulting Group |
| EFAC | Employee and Family Assistance Consultants |
| EGC | Eva Garland Consulting |
| EIDC | Engineering Innovation Design Consulting |
| EIFD | Explained In Full Detail |
| EIR | Excellence In Recruiting |
| EKC | Erin Kent Consulting |
| EMCA | Energy Market Consulting associates |
| EMCG | Energy Management Consulting Group |
| EMCL | Exact Manpower Consulting Ltd |
| EMH | Efficient-Market Hypothesis |
| EMWC | East Meets West Consultants |
| EOBD | End of Business Day |
| EOW | End Of Week |
| EPA | European Patent Attorney |