Nonprofits in Byron, Wisconsin

Nonprofits in Byron, Wisconsin. Browse 2 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Byron Historical Society Inc

    EIN 208843891 · Headquarters: Byron, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Sassu Enterprises Pet Therapy

    EIN 800296727 · Headquarters: Byron, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N