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Optimist International

Optimist International is a civic organization in Brookings, SD. Its IRS exempt-organization registration 237178276 is active on the issuer's file, checked Oct 23, 2026.

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Optimist International

Civic organization · Brookings, SD

Built from public records

IRS exempt-organization registration 237178276Activechecked Oct 23, 2026

  • Class501(c)(4) social welfare organization
  • WhereBrookings, SD · serves South Dakota
Proof → US-IRS-EO record
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Optimist International has not claimed its listing, so it takes no requests here yet. Contact them directly.

Listing details

What the issuer's record says

Status
IRS exempt-organization registration active
IRS exempt-organization registration
US-IRS-EO 237178276
Classes
  • 501(c)(4) social welfare organization
Checked
Oct 23, 2026, against the IRS exempt organizations (EO BMF)
Open the issuer's record

The business

What they do
Civic organization
Where
Brookings, SD
Serves
South Dakota
Listing updated
Oct 24, 2026
Listing
Built from public records. Not claimed yet.

More civic organization in Brookings

  1. American Legion

    Active501(c)(19) veterans organization

    Brookings, SD

    Ask it
    Proof for American Legion
    IRS exempt-organization registration
    US-IRS-EO 466014611
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(19) veterans organization
    Checked
    Oct 23, 2026
    Where
    Brookings, SD · serves South Dakota
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  2. American Legion Auxiliary

    Active501(c)(19) veterans organization

    Brookings, SD

    Ask it
    Proof for American Legion Auxiliary
    IRS exempt-organization registration
    US-IRS-EO 466014832
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(19) veterans organization
    Checked
    Oct 23, 2026
    Where
    Brookings, SD · serves South Dakota
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  3. Arnold Air Society-Silver Wings

    Active501(c)(4) social welfare organization

    Brookings, SD

    Ask it
    Proof for Arnold Air Society-Silver Wings
    IRS exempt-organization registration
    US-IRS-EO 466015470
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    Brookings, SD · serves South Dakota
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  4. Brookings Area Genealogical Society

    Active501(c)(3) public charity

    Brookings, SD

    Ask it
    Proof for Brookings Area Genealogical Society
    IRS exempt-organization registration
    US-IRS-EO 460340900
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Brookings, SD · serves South Dakota
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  5. Brookings County Firefighters Association

    Active501(c)(3) public charity

    Brookings, SD

    Ask it
    Proof for Brookings County Firefighters Association
    IRS exempt-organization registration
    US-IRS-EO 334123964
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Brookings, SD · serves South Dakota
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record
All civic organization in Brookings, SD →

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Listing updated Oct 24, 2026. Hide an address, correct or remove this listing.

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