American River Conservancy (ARC) protects habitat, native fisheries, scenic vistas, and recreational lands within the upper American River and Cosumnes River Watersheds, having successfully protected over 26,000 acres to date. ARC also offers high quality educational programming and practices land stewardship, the recognition of our collective responsibility to retain, manage and enhance the quality and abundance of our land, air, water and biodiversity. http//www.arconservancy.org/
Cosumnes Culture and WaterWays (CCaWW) promotes, preserves, and stewards Indigenous Culture and is dedicated to caring for the land, animals, and waterways. https://www.ccaww.org/
Fishery Foundation is a group of professional biologists organized as a non-profit whose mission is to improve fisheries resources in the state of California. The Fishery Foundation's goal is to provide services that benefit fish communities, populations and habitats so that commercial and sport fishermen will have improved opportunities to catch fish in California.
Trout Unlimited believes that conservation should be a true partnership between landowners, agencies, municipalities, and all stakeholders. Trout Unlimited works to protect critical habitat, to reconnect degraded waterways, and restore populations to coldwater fisheries. http://www.tu.org/
Landmark Environmental, Inc. provides planning and consulting services with the full range and depth of technical expertise needed for environmental and water management planning, permitting, and field services. http://www.landmarkenvironmental.info/