American Institute of Ultrasound - Consists of more than 11,000 medical community members and provides educational opportunities through annual conventions, educational courses, publications.
Diagnostic Ultrasound - information on ultrasound and medical informatics, color postprocessing and preprocessing, and more. In Spanish and English.
Musculoskeletal Ultrasound Society - purpose is to promote and teach use of ultrasound to the musculoskeletal system; contains examination protocols, references and meeting information.