ET-Solar Tech's customers are NGOs such as Sol Solidari, World Vision Ethiopia, GIZ, and PISDA working with Solar Cooking Netherlands, Horn of Africa Regional Environment Centre and Network (HOAREC/n), DEA, and the Catholic Ministries working on the health and school programs . ET-Solar Tech also works with various small, local NGOs and other private people. By 2008 more than 5000 CooKits had been produced by ET-Solar Tech. The Swiss NGOs Arcarana and Selam supported Bereket Dessie in setting up his business.