Fishermen's Marketing Association, Inc.Groundfish and shrimp fishermen interest group, based in Eureka.
The Buckeye ConservancyDedicated to the promotion, communication, and implementation of the ideals and policies that support the ecologic and economic sustainability of natural resources and open space in family ownership.
Astronomers of HumboldtAmateur astronomers hosting public presentations and public observing sessions. Club members and their equipment are available as a public service for educational, charitable, and school groups.
Friends of the Eel RiverDedicated to restoring the Eel River and its tributaries to their natural state.
Marine Wildlife Care CenterA rehabilitation center for oiled seabirds at Humboldt State University, part of the Oiled Wildlife Care Network. Arcata.
California Land Use Planning Information NetworkProvides land use data throughout California, sorted by county.