The Humane Society of the United States is a great organization.
I agree, I appreciate them for their work in the fight agains factory farming, animal fighting, puppy mills and the like.
Do you know when it was founded?
It was founded in 1954 in Washington DC. The ones that founded it were former members of the American Humane Society.
Wow!    Are they associated with any other organizations?
They aren't associated with any local humane societies or any other animal organizations. You would think they would be, but they're independent of any.
How do they raise their funding?
They operate entirely by private membership dues, grants and donations. People have generously given their money to this organization simply out of respect for animal welfare.
That is quite generous!
its Philanthropy 400 listing. 
As of 2001, the group's major campaigns targeted five issues: factory farming, animal blood sports, the fur trade, puppy mills, and wildlife abuse. The organization works on a full range of animal issues, including companion animals, wildlife, farm animals, horses and other equines, and animals used in research, testing and education.
HSUS reported its revenue as US$129 million and net assets of US$215 million as of December 31, 2014.
HSUS pursues its global
1904. In a follow-up letter to Shahan, he said "you have surely a great university and I wish we had its like in Ireland."
Despite Washington being a Southern and segregated city when the university was founded, it admitted black Catholic men as students. At the time, the only other college in the District to do so was Howard University, founded for African-American education after the Civil War. In 1895 Catholic University had three black students, all from DC. "They were simply