The Humane Society of the United States does not run any shelters for companion animals (although they would like you to think they do).
2010 Annual Income: $148M
The ASPCA runs a single animal shelter in New York City (although they would like you to think they run many more). In 2010 they adopted out 3389 animals there.
2010 Annual Income: $133M
PETA runs a single facility in VA that they call an animal shelter but has no living areas or holding wards. It’s an office building with a walk-in freezer. In 2010 they killed 93.8% of animals they took in – 2200 animals.
2010 Annual Income: $35M