Demeter Association, Inc.: Certifies Biodynamic ® farms, vineyards, processors, and products in the United States.
Josephine Porter Institute for Applied Biodynamics, Inc.: Non-profit institute dedicated to making biodynamic preparations and conducting biodynamic agricultural research and education. National source for biodynamic preparations, Pfeiffer products, books, and workshops.
Yggdrasil Land Foundation: Collaborative non-profit land preservation organization with a mission to catalyze the viability of biodynamic, organic, and sustainable farming.
Demeter International: nonprofit organization of Demeter certification organizations.
Sektion fur Landwirtschaft: Agricultural Section at the Goetheanum.