Equine Resources Bay Area Equestrian NetworkCalifornia Gymkhana AssociationCalifornia State Horsemen’s AssociationHooves for HarmonyHorseDream USAMarin County Parks & Open Space Marin Horse CouncilMorning Star VaultersNapa Valley Horsemen’s AssociationPetaluma Riding and Driving ClubSebastopol WranglersSonoma County Regional ParksTri-Cities Horsemens AssociationPhoto credit: Earl McCowen