Sigma Foundation is located in Manhattan Beach, CA. According to its NTEE Classification (B20) the organization is classified as: Elementary & Secondary Schools, under the broad grouping of Education and related organizations. This organization is an independent organization and not affiliated with a larger national or regional group of organizations. Sigma Foundation is a 501(c)(3) and as such, is described as a "Charitable or Religous organization or a private foundation" 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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