The Humane Society of the United States (HSUS), based in Washington, D.C., is the largest animal advocacy organization in the world. It counts more than 11 million Americans among its members and supporters. In 2009, HSUS reported assets of over US$160 million.
Journalist Fred Myers and three others founded HSUS in 1954 to address what they saw as cruelties of national scope, and resolving animal welfare problems by applying strategies beyond the ability of local organizations.HSUS operates animal sanctuaries in five states. It does not run local shelters or oversee local animal care and control agencies, but promotes best practice and provides assistance to shelters and sheltering programs. The group's current major campaigns target five issues: factory farming, animal fighting, the fur trade, puppy mills, and wildlife abuse
HSUS publishes Animal Sheltering, a bi-monthly magazine for animal sheltering professionals. HSUS distributed the magazine to more than 450,000 people in 2009. It also operates the Humane Society Veterinary Medical Association, which provides free veterinary services for animals in impoverished communities. The Genesis Awards have been awarded annually since 1986 to individuals in the major news and entertainment media for producing outstanding works which raise public awareness of animal issues.