Cuyamaca Rancho State Park Interpretive Association's mission is to support Cuyamaca Rancho and Palomar Mountain State Parks. As an IRS registered 501(c)3 charitable organization, CRSPIA uses your tax deductible donations to provide these parks with interpretive and educational materials that normal funding channels may not be able to supply.

A non profit group in San Diego whose mission it is to serve as a resource to local beekeepers and promote beekeeping practices. They also educate the community about the benefits of beekeeping

A Regional Chapter of the National Audubon Society dedicated to protecting the local bird wildlife and their habitats.

 A non-profit organization dedicated to the preservation, restoration and protection of the natural open space within the Escondido Creek watershed.

A foundation dedicated to the restoration of Los Peñasquitos Lagoon, its associated uplands and the preservation of land for scenic, historic, educational, recreational, agricultural, scenic and open space opportunities.

A non-profit organization dedicated to the preservation, enhancement, and protection of Batiquitos Lagoon.

 A non-profit organization whose mission it is to preserve, restore and enhance the Agua Hedionda Lagoon and its wildlife, marsh, wetlands and watershed areas.

A non-profit organization whose mission it is to conserve and restore the Buena Vista Lagoon.

A non-profit organization whose mission it is to preserve and protect the natural environment of Mission Trails Regional Park and to provide and promote educational and recreational opportunities.