Founded in 1946, East Penn Manufacturing Co. is a well-known corporate investor based in Lyon Station, United States. The company typically invests in startups in the CleanTech and Energy sectors, with a preference for those that are 6-10 years old. East Penn has a history of investing in rounds with multiple participants, often alongside The Roda Group, Power-Sonic, Leoch Battery, and Crown Battery. With an average of less than 2 deals per year, the fund's most active year was in 2017. Notable portfolio startups include Gridtential Energy. East Penn's commitment to quality products and environmental sustainability has earned them a strong reputation in the industry.