P’til Tekhelet – The Association for the Promotion and Distribution of Tekhelet – is a non-profit organization based in Israel. P’til Tekhelet provides educational programming and resources pertaining to Tekhelet, and produces Tekhelet for tsitsit. The association is comprised of a small group of individuals whose work is done lishma – for the express purpose of making tsitsit as the halakha requires. Ptil Tekhelet was founded in 1991 and is the global provider of Tekhelet strings. It promotes educational activities and publications relating to all aspects of the mitzvah of Tekhelet.