International Safe Transit Association (ISTA) is a non-profit organization that develops effective packaging, methods, and logistics systems to prevent or reduce transit and handling damage to a shipment.
International Seed Testing AAssociation was founded in 1924, with the aim to develop and publish standard procedures in the field of seed testing.
ISTA (International School of Theatre Anthropology) is an international and multi-cultural network of performers, directors, scholars and academics of the theatre. The organization has the nature of an itinerant university whose central field of study and research is Theatre Anthropology. Open sessions of the School are held periodically by the invitation of cultural institutions in various countries that provide the funding for them.