The Humane Society of the United States

The Humane Society of the United States (HSUS), based in Washington, D.C.. It is the largest animal advocacy organization in the world. In 2009, The HSUS reported assets of over US$160 million.

The Humane Society of the United States (HSUS), based in Washington, D.C.. It is the largest animal advocacy organization in the world. In 2009, The HSUS reported assets of over US$160 million. See Less