The Animal Friends Humane Society is the largest, oldest non-profit animal shelter in Butler County. On a typical day we house 200-300 animals. We are the only open admission shelter in Butler County. Open admission means we take all pets, from aggressive animals, to friendly animals, to deceased pets. Local support helps the 7,000 animals we serve a year. The Animal Friends Humane Society is a non-profit 501(c)(3) charity organization.