- Environment and Health Tanzania
- Environment Media Network(EMNet)
- ENVIRONMENTAL PROTECTION AND CONSERVATION SERVICES(EPCS Ltd)
- ENVIRONMENTAL AND HEALTHCARE ORGANIZATION
- ENVIRONMENTAL CONSERVATION AND COMMUNITY ENGAGEMENT (ECCE)
- ENVIRONMENTAL CONSERVATION, WATER SUPPLY AND AIDS CONTROL ORGANIZATION (EWACO)
- Environmental Education Initiative
- ENYOITO WOMEN GROUP
- Enyorata Education, Youth participation & Tourism Trust (EEYUPAT)
- EQUALITY ENHANCEMENT AND ECONOMIC DEVELOPMENT ORGANIZATION