Religion
Church of St. Joseph, Grace Lutheran Church (ELCA), Hilltop Church, Mendham Hills Chapel, Mendham United Methodist Church
Jockey Hollow Weavers, Inc.
A guild which meets monthly for the purpose of studying and exchanging ideas and knowledge about weaving, spinning and basket making.
Mendham Junior Woman's Club
Sponsors charitable, educational, and civic activities. Includes a mission statement, a calendar of events, recipes, and related links.