Largest animal nonprofits in Washington
The 50 largest animal nonprofits in Washington
The 50 largest animal nonprofits in Washington by revenue range from $84 million down to $1.6 million.
The largest are Woodland Park Zoological Society, Seattle Aquarium Society-Seas, and Progressive Animal Welfare Society Inc.
Organizations
1,045
Total revenue
$448.4M
Total assets
$938.7M
Largest animal nonprofits in Washington
Ranked by revenue.
Public data from IRS Form 990 e-file & Business Master File. A 990 shows how an
organization is run and funded — not its real-world outcomes. Figures are presented without evaluation;
we do not rate, score, or rank organizations. · philanthropy.org