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NAICS 813990 · Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)

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Nonprofit organization in Mason City, IA

21 nonprofit organization in Mason City, IA; 50 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Crisis Intervention Service

    ActiveTax-exempt corporation registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for Crisis Intervention Service
    SAM.gov registration
    US-GSA-SAM WTBKGZMWT3G5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Dec 28, 2026
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  2. Habitat for Humanity of North Central Iowa

    ActiveOther organization registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for Habitat for Humanity of North Central Iowa
    SAM.gov registration
    US-GSA-SAM ZTPHJMKKMCV7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Jun 22, 2027
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  3. Newman Catholic School System

    ActiveTax-exempt corporation registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for Newman Catholic School System
    SAM.gov registration
    US-GSA-SAM YKZSDH6R4FL6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Nov 5, 2026
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  4. North Iowa Community Action

    ActiveTax-exempt corporation registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for North Iowa Community Action
    SAM.gov registration
    US-GSA-SAM TCZ8SD1JPJJ3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jul 6, 2027
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  5. North Iowa Corridor Economic Development Corporation

    ActiveTax-exempt corporation registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for North Iowa Corridor Economic Development Corporation
    SAM.gov registration
    US-GSA-SAM KH6HNLUDKYT1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jun 29, 2027
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  6. North Iowa Vocational Center Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for North Iowa Vocational Center Inc
    SAM.gov registration
    US-GSA-SAM CF5SFMSMJ1G3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Oct 1, 2027
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  7. Sunbeam Christian Child Care, Bethlehem Lutheran Church

    ActiveTax-exempt corporation registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for Sunbeam Christian Child Care, Bethlehem Lutheran Church
    SAM.gov registration
    US-GSA-SAM R92KF7LLTJV8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Dec 1, 2026
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  8. Friends of the Library Mason City

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Friends of the Library Mason City
    IRS exempt-organization registration
    US-IRS-EO 273118145
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  9. I.O.O.F. Mason City Housing Corporation

    ActivePartnership or limited liability partnership registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for I.O.O.F. Mason City Housing Corporation
    SAM.gov registration
    US-GSA-SAM NDUHZMW861Z9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jul 6, 2027
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  10. Lincoln Intermediate Parent Teacher Organization

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Lincoln Intermediate Parent Teacher Organization
    IRS exempt-organization registration
    US-IRS-EO 273938958
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  11. Mason City Community School District 7-12 PTO

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Mason City Community School District 7-12 PTO
    IRS exempt-organization registration
    US-IRS-EO 273330215
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  12. Mason City Downtown Association

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Mason City Downtown Association
    IRS exempt-organization registration
    US-IRS-EO 481256121
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  13. Mason City Farmers Market

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Mason City Farmers Market
    IRS exempt-organization registration
    US-IRS-EO 334124622
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  14. Mason City Mohawk Booster Club

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Mason City Mohawk Booster Club
    IRS exempt-organization registration
    US-IRS-EO 421133345
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  15. North Iowa Area Community College Foundation

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for North Iowa Area Community College Foundation
    IRS exempt-organization registration
    US-IRS-EO 237023677
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  16. North Iowa Corridor Housing Development Corp

    ActiveTax-exempt corporation registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for North Iowa Corridor Housing Development Corp
    SAM.gov registration
    US-GSA-SAM C2R4CRELQC45
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jun 29, 2027
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  17. Pilgrim Place

    ActiveTax-exempt corporation registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for Pilgrim Place
    SAM.gov registration
    US-GSA-SAM M73XSYM8N824
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Feb 26, 2027
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  18. Regency Apartments Rhf Housing, Inc.

    ActiveTax-exempt corporation registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for Regency Apartments Rhf Housing, Inc.
    SAM.gov registration
    US-GSA-SAM HDZLZ6U1FAP8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Feb 26, 2027
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  19. Shalom Tower Two Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Mason City, IA

    Ask it
    Proof for Shalom Tower Two Inc
    SAM.gov registration
    US-GSA-SAM GRLVRVXWEND5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Nov 21, 2026
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  20. Tall Corn Dental Symposium

    Active501(c)(3) public charity

    Mason City, IA

    Ask it
    Proof for Tall Corn Dental Symposium
    IRS exempt-organization registration
    US-IRS-EO 237002898
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Mason City, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

More cities in Iowa

Des Moines 154Cedar Rapids 82Iowa City 53Algona 47Sioux City 47Dubuque 46Davenport 41Waterloo 37Ames 33Ankeny 31Bettendorf 23Cedar Falls 23Johnston 22Wdm 21West Des Moines 20Fairfield 19

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