| Abbreviation | Definition |
|---|---|
| EI | Employee Involvement |
| EI | Employment Insurance |
| EI | Engineer Intern |
| EIC | Editor In Chief |
| EIC | Engineer In Charge |
| EIG | Extremely Insane Girl |
| EIR | Engineer In Residence |
| EISC | Early Intervention Service Coordinator |
| EIT | Engineer in |
| EIT | Engineer in Training |
| EL | Entry Level |
| ELC | Early Learning Coordinator |
| ELMT | ELectrical Maintenance Technician |
| ELT | Executive Level Team |
| EM | Electricians Mate |
| EM | Extra Mechanic |
| EMA | Emergency Medical Assistant |
| EMA | Emergency Medical Attendant |
| EMAC | E-Mail Address Coordinator |
| EMP | Ethical Massage Practitioner |