Baseball and softball
Three Rivers League
Frederick, SD 57441
Tax-exempt since 2023 · EIN 93-1670744
Find a program / Youth and community nonprofits / South Dakota / Frederick
Frederick, South Dakota
Youth and community nonprofits in Frederick, SD
1 tax-exempt youth and community nonprofits based in Frederick, from IRS data.
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Licensed child care and after-school programs in Frederick · South Dakota program rules
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Source: IRS Exempt Organizations Business Master File, posted October 13, 2026. We list 501(c)(3) organizations whose IRS activity code is youth development, amateur sports, camps and recreation, parent-teacher groups, children's services, child day care or arts education. We show the city and ZIP code only, never a street address or contact person. A listing is not an endorsement.