| Abbreviation | Definition |
|---|---|
| ETMS | Expert Traffic Management System |
| ETO | Excused Time Off |
| ETPM | Ellouise Tyrrell Property Management |
| ETPM | Engineering Technology and Project Management |
| ETPM | Enterprise Taxation and Policy Management |
| ETPM | Enterprise Third Party Management |
| ETRM | 800 Risk Management |
| ETRM | Energy Trade and Risk Management |
| ETRM | Energy Trade Risk Management |
| ETRM | Enterprise Trading and Risk Management |
| ETTM | Electronic Tolling and Traffic Management |
| ETTM | Electronic Tolling Traffic Management |
| ETTM | Electronics Toll Traffic Management |
| EUM | Effective Utility Management |
| EUM | Engineering Unit Management |
| EVCM | Emerging Value Capital Management |
| EVCM | Extended Value Chain Management |
| EVCMS | Electric Vehicles Charging Management System |
| EVEMS | Electric Vehicle Energy Management System |
| EVM | Electric Vehicle Management |