| Abbreviation | Definition |
|---|---|
| ESSSA | Engineering And Science Services And Skills Augmentation |
| ESSSA | Engineering Science Services and Skills Augmentation |
| EST | Engineering Systems Technologies |
| ESTC | Engineering Skills Training Centre |
| ESTD | Engineering Sciences and Technology Division |
| ESTD | Engineering Support Technology Development |
| ESTEEM | Engineering Science Technology Entrepreneurship Excellence Master |
| ESTEEM | English Science Technology Engineering Entrepreneurialism and Mathematics |
| ESTEM | Economics of Science Technology Engineering and Math |
| ESTEM | Environmental Science Technology Engineering and Math |
| ESW | Engineers for a Sustainable World |
| ET | Electromagnetic testing |
| ETA | Engineering Technology |
| ETAC | Engineering Technology Accreditation Council |
| ETAR | Engineering Technical Assistance Request |
| ETASS | Engineering Technology Acquisition Support Services |
| ETC | Engineering Teaching Center |
| ETCE | Engineering Technology and Commonwealth Engineering |
| ETCL | Engineering Technical Career Ladder |
| ETEB | Engineering Test and Evaluation Board |