| Abbreviation | Definition |
|---|---|
| HSEI | High School Engineering Institute |
| HSSE | Hughes Sub Surface Engineering |
| HSSEDI | Homeland Security Systems Engineering Development Institute |
| HSSS | Hollow Square Section Steel |
| HTE | Hi Tech Engineering |
| HTE | High Temperature Electric |
| HTEC | High Tech Engineering Center |
| HTPE | Hi Tech Precision Engineering |
| HUCE | Hanoi University of Civil Engineering |
| HUD | Housing Unit Density |
| HV | Hardness Vickers |
| HVEC | High Value Engineering Center |
| HWE | High Water Efficiency |
| IABSE | International Associaction of Bridge and Structural Engineering |
| IAE | Institute of Applied Engineering |
| IAEA | Information Access in Engineering Abstracts |
| IAEC | International Automotive Engineering Conference |
| IAEC | Isuzu Advanced Engineering Center |
| IAEG | International Association for Engineering Geology |
| IAEL | Innovative Automation Engineering Limited |