SAR is the largest male lineage organization in the United States and consists of 50 state-level societies with more than 590 local chapters, several international societies (including Canada, France, Germany, Spain, and an International Society), and over 37,000 members. Prominent SAR members include sixteen U.S. presidents, U.S. senators and representatives, local business and community leaders, as well as foreign dignitaries such as Sir Winston Churchill, and Kings Juan Carlos I and Felipe VI of Spain.
https://www.sar.org