Nonprofits in Onalaskah, Wisconsin

Nonprofits in Onalaskah, Wisconsin. Browse 1 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. Onalaska High School Alumni Association

    EIN 262235474 · Headquarters: Onalaskah, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N