Keitzer Manufacturing USA
- Sells US transmitters for physical therapy
- http://www.keitzer.com

Nemectron GmbH (Germany)
- ultrasonic therapeutic devices
- http://www.nemectron.de

Ultrasound Treatment For Hurt Muscles Doesn't Promote Healing
- Review of a study on ultrasound muscle healing performed at Ohio State University
- http://researchnews.osu.edu/archive/ultranil.htm

Use of Therapeutic Ultrasound to Aid in Blood Resorption
- Recommendations approved by the Medical and Scientific Advisory Council (MASAC) of the National Hemophilia Foundation regarding the use of therapeutic ultrasound to aid in blood resorption
- http://www.hemophilia.org/research/masac/masac130.htm

Rich-Mar Corporation
- A web site designed for physical therapists, Rich-Mar provides a complete product line of ultrasound and stimulation equipment.
- http://www.richmarweb.com/

Ultrasound in Wound Healing
- Author: Joseph McCulloch, PT, PhD LSU Medical Center, Director of the Physical Therapy Departmen
- http://medicaledu.com/ultrasnd.htm

Sonotron - ADM Tronics, Inc. (USA)
- Electronic Therapeutic Device Reduces pain and edema while increasing range of motion
- http://www.sonotron.com/

Physiomed Elektromedizin GmbH (Germany)
- therapeutic ultrasound devices
- http://www.physiomed.de

Duffield Medical (UK)
- Vendor of therapeutic ultrasonic devices.
- http://www.duffieldmed.co.uk/

Chattanooga Group
- Major manufacturer of rehabilitative electrotherapy and ultrasound devices and ultrasound devices.
- http://www.chattgroup.com