E
- E-Waste Working Group (2005–present), formed by Louise Slaughter, Mike Thompson, Randy "Duke" Cunningham, and Mary Bono
- House Economic Competitiveness Caucus (2005–present)
- Senate Economic Competitiveness Caucus (2006–present)
- Electronic Warfare Working Group (1999–)
Read more about this topic: Caucuses Of The United States Congress