• American Institute of Ultrasound in Medicine dedicated to advancing the art and science of ultrasound in medicine and research.

• American Registry of Diagnostic Medical Sonographers (ARDMS) certification for those in the field of ultrasound, sonographers and vascular technologists.

• American Society of Echocardiography professional organization for echocardiographers and sonographers providing information for both professionals and patients.

• 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.

• OB-Gyn Ultrasound Online prenatal diagnosis of congenital abnormalities, teaching files, literature reviews and bulletin board.

• Obstetric Ultrasound guide to Obstetric Ultrasonography with pictures of fetal development.

• Society of Diagnostic Medical Sonography (SDMS) nonprofit association for ultrasound professionals.