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

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Nonprofit organization in Oconomowoc, WI

23 nonprofit organization in Oconomowoc, WI; 717 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Adeline Montessori School, Inc.

    ActiveTax-exempt corporation registered in SAM.gov

    Oconomowoc, WI

    Ask it
    Proof for Adeline Montessori School, Inc.
    SAM.gov registration
    US-GSA-SAM WNUXSXXV5HR7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jan 19, 2027
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  2. Learning IN Retirement of Waukesha County Inc.

    ActiveTax-exempt corporation registered in SAM.gov

    Oconomowoc, WI

    Ask it
    Proof for Learning IN Retirement of Waukesha County Inc.
    SAM.gov registration
    US-GSA-SAM P6UZEEGR3MM7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Dec 8, 2026
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  3. Saint Paul Lutheran Church

    ActiveTax-exempt corporation registered in SAM.gov

    Oconomowoc, WI

    Ask it
    Proof for Saint Paul Lutheran Church
    SAM.gov registration
    US-GSA-SAM VAWTV7XC4594
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Dec 8, 2026
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  4. St Jeromes Congregation

    ActiveTax-exempt corporation registered in SAM.gov

    Oconomowoc, WI

    Ask it
    Proof for St Jeromes Congregation
    SAM.gov registration
    US-GSA-SAM EY2TKF7GSJJ9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Feb 12, 2027
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  5. St Matthews Evangelical Lutheran Church, Saint Matthews Lutheran School

    ActiveOther organization registered in SAM.gov

    Oconomowoc, WI

    Ask it
    Proof for St Matthews Evangelical Lutheran Church, Saint Matthews Lutheran School
    SAM.gov registration
    US-GSA-SAM V13AHE6JX8B3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Sep 28, 2027
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  6. White Stone Community Church N Cbe Iru

    ActiveTax-exempt corporation registered in SAM.gov

    Oconomowoc, WI

    Ask it
    Proof for White Stone Community Church N Cbe Iru
    SAM.gov registration
    US-GSA-SAM VE67ZL46HU49
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Dec 5, 2026
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  7. Accreditation Review Committee for the Anesthesiologist Assistant

    Active501(c)(3) public charity

    Oconomowoc, WI

    Ask it
    Proof for Accreditation Review Committee for the Anesthesiologist Assistant
    IRS exempt-organization registration
    US-IRS-EO 451554551
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  8. Cosmic Stem Lab

    Active501(c)(3) public charity

    Oconomowoc, WI

    Ask it
    Proof for Cosmic Stem Lab
    IRS exempt-organization registration
    US-IRS-EO 923085310
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  9. Ek Provisions Inc

    Active501(c)(3) public charity

    Oconomowoc, WI

    Ask it
    Proof for Ek Provisions Inc
    IRS exempt-organization registration
    US-IRS-EO 422021566
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  10. Greendale Chapter H1Oo of the Spebsqsa Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Oconomowoc, WI

    Ask it
    Proof for Greendale Chapter H1Oo of the Spebsqsa Inc
    SAM.gov registration
    US-GSA-SAM VGDJYXHTXKX8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    May 5, 2027
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  11. International Society for Business Education USA Chapter

    Active501(c)(3) public charity

    Oconomowoc, WI

    Ask it
    Proof for International Society for Business Education USA Chapter
    IRS exempt-organization registration
    US-IRS-EO 853961337
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  12. Lake Country Endoscopy Center

    ActivePartnership or limited liability partnership registered in SAM.gov

    Oconomowoc, WI

    Ask it
    Proof for Lake Country Endoscopy Center
    SAM.gov registration
    US-GSA-SAM DTBJUDX8PKC9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Sep 3, 2027
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  13. Mark Hansen Shark34 Fund

    Active501(c)(3) public charity

    Oconomowoc, WI

    Ask it
    Proof for Mark Hansen Shark34 Fund
    IRS exempt-organization registration
    US-IRS-EO 994771040
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  14. Oconomowoc High School Band Aids Inc

    Active501(c)(3) public charity

    Oconomowoc, WI

    Ask it
    Proof for Oconomowoc High School Band Aids Inc
    IRS exempt-organization registration
    US-IRS-EO 205510350
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  15. Oconomowoc Public Education Foundation Inc

    Active501(c)(3) public charity

    Oconomowoc, WI

    Ask it
    Proof for Oconomowoc Public Education Foundation Inc
    IRS exempt-organization registration
    US-IRS-EO 208858261
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  16. Ohs Drama Mamas and Papas Inc

    Active501(c)(3) public charity

    Oconomowoc, WI

    Ask it
    Proof for Ohs Drama Mamas and Papas Inc
    IRS exempt-organization registration
    US-IRS-EO 263646350
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  17. Olin Sang Ruby Union Institute

    ActiveTax-exempt corporation registered in SAM.gov

    Oconomowoc, WI

    Ask it
    Proof for Olin Sang Ruby Union Institute
    SAM.gov registration
    US-GSA-SAM QFEUEJFBB433
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Feb 17, 2027
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  18. Rye Revival Inc

    Active501(c)(3) public charity

    Oconomowoc, WI

    Ask it
    Proof for Rye Revival Inc
    IRS exempt-organization registration
    US-IRS-EO 862309268
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  19. Stone Bank School PTO Inc

    Active501(c)(3) public charity

    Oconomowoc, WI

    Ask it
    Proof for Stone Bank School PTO Inc
    IRS exempt-organization registration
    US-IRS-EO 201702642
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  20. Summit School PTO

    Active501(c)(3) public charity

    Oconomowoc, WI

    Ask it
    Proof for Summit School PTO
    IRS exempt-organization registration
    US-IRS-EO 800211608
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Oconomowoc, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

More cities in Wisconsin

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