Restore Riverside Park is a group of local citizens who are committed to restoring the 111-year-old park in Greenville. The projects that have been done are: the removal and replanting of trees; restoration of the amphitheater and stage; building a stage canopy; building a kayak launch; installing park benches; restoring one of the bridges. Projects being worked on now are restoring the basketball court, building three pickleball courts, and building handicapped parking spaces. "Music Mondays" is another project that this group has instituted to bring people into our community and the park.

A volunteer group of community residents who plan the annual Heritage Days festival as well as the Riverside Haunting and Easter Egg Hunt.

The Community Foundation is a public, non-profit charitable organization designed to attract and invest permanent endowed resources with the purpose of enhancing the quality of life for the residents of Western PA and Eastern OH.