Optimist International is located in Harrisburg, SD. The organization was established in 1958. This organization is a subordinate organization within an affiliated group for tax-exemption purposes. Optimist International is a 501(c)(4) and as such, is described as a "Civic League, Social Welfare Organization, and Local Association of Employees" by the IRS.
Limited Data Available: This organization filed their most recent 990 in paper format. This filing methodology limits the information that can be extracted from the filing.Limited Data Available: This organization is one of the few in our database that filed their most recent 990 with the IRS in paper format. This filing methodology limits the information that can be extracted from the filing. This will, however, be changing soon; The IRS now requires all organizations to file their 990s electronically.
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