Family History Centers (FHCs) are branches of the Family History Library in Salt Lake City operated by The Church of Jesus Christ of Latter-day Saints.
The Family History Library (FHL) is a genealogical research facility provided and operated by The Church of Jesus Christ of Latter-day Saints (the LDS or Mormon Church).
A family history society is a society, often charitable or not-for-profit, that allows member genealogists and family historians to profit from shared knowledge.