The Peninsula Humane Society & SPCA is a private non-profit guided by the humane ethic, building healthy relationships between people and animals. As an ethical choice, they accept all animals in need of care and often provide a second chance to the neediest animals: those who would otherwise be turned away at so-called "no kill" agencies that accept only highly adoptable animals.

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David Rio and the Peninsula Humane Society & SPCA, based in the San Francisco Bay Area, have been in partnership every year since David Rio's early beginnings. For the past ten years, David Rio has been a corporate sponsor of the Annual PHS & SPCA Mutt Strutt, held in Coyote Point Park, in San Mateo, California. This annual event raises funds and awareness for shelter animals at PHS/SPCA awaiting adoption.

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