This document, prepared for the people who work with visitors in national, state, regional, and local parks as part of the Park Project on Energy Interpretation, lists by state approximately 200 United States citizen groups, companies, and non-government agencies involved in some type of energy work. The organizations included were selected on the basis of having programs and facilities, which may be of educational value to citizens. Only groups which agreed to answer inquiries were included. The organizations included embrace a variety of philosophical and political solutions to energy problems. For example, included are pro-nuclear as well as anti-nuclear groups, and high-technology oriented corporations as well as those working on low-technology, self-sufficient approaches. (Author/BT)