An affiliate of Philips Medical Systems, ATL, with headquarters near Seattle, Washington, USA, is a worldwide leader in the development, manufacture, distribution and service of diagnostic medical ultrasound systems. ATL introduced its first medical ultrasound system in 1975. In 1987, they became the first company to introduce an all-digital medical ultrasound system.

ATL systems are used in radiology, cardiology, obstetrics and gynecology, vascular, musculoskeletal and intraoperative applications. The company is dedicated to the innovation and development of ultrasound technology to improve the quality and productivity of health care worldwide, and has led the world in the development and production of digital ultrasound systems for over a decade.