| IETG | Human Factors and Ergonomics Society Industrial Ergonomics Technical Group 
| Others |
| IETG | Immersive Education Technology Group
| Others |
| IETG | Industry Engagement Task Group
| Others |
| IETG | Integrated Environmental Technology Group
| Others |
| IETG | International Energy Trading Group, L.L.C.
| Others |
| IETG | International Environmental Trading Group
| Others |
| IETG | Israel Engagement Task Group
| Others |