Nonprofit501c15 Nonprofit501c15: Non-profit type referring to Mutual Insurance Companies or Associations. Properties { "id": "https://schema.org/Nonprofit501c15", "label": "Nonprofit501c15", "comment": "Nonprofit501c15: Non-profit type referring to Mutual Insurance Companies or Associations.", "subTypeOf": "https://schema.org/USNonprofitType", "enumerationtype": "https://schema.org/USNonprofitType", "equivalentClass": "", "properties": "", "subTypes": "", "supersedes": "", "supersededBy": "", "isPartOf": "https://pending.schema.org" }Getting Started