Biosound Esaote Ultrasound (USA)
Medical ultrasound - Manufacturer of ultrasound systems for multiple specialties.
http://www.biosound.com/

University of Cincinnati Ultrasound Laboratory
The Ultrasound Research Laboratory at the University of Cincinnati is a departmental resource that serves the needs of faculty and students with interests in bioeffects of diagnostic and therapeutic ultrasound, acoustic cavitation and new diagnostic imaging techniques for the early detection of vascular disease and cancer.
http://ultrasound.uc.edu/research.html

ATS (USA, Canada)
Welcome to Advanced Transducer Services. ATS specializes in diagnostic ultrasound systems, transducers, peripherals and supplies. We sell complete ultrasound systems for all specialties. ATS also repairs broken ultrasound transducers, exchanges damaged probes and sells remanufactured probes. We use only OEM transducers and components in our repair work so you can be assured of top quality when using ATS for your ultrasound needs. Other services include sales of imaging peripherals and circuit boards for ultrasound systems. Please browse our site for a complete listing of the equipment and services we offer. Feel free to contact us with any questions you may have, one of our sales staff will be happy to assist you
http://www.atsultrasound.com/

Creatis (France)
Modeling of ultrasound image formation with a generalized approach from 1D to 2D and 3D. Modeling ultrasound contrast agents for an adapted imaging. Development of methods for extracting of ultrasound information.
http://www.creatis.insa-lyon.fr/menu/index-us.html

Ultrasound digs deep
EDN.com is a comprehensive information source for providing in-depth technical information for electronics design engineers and news and business strategy insight for executives
http://www.ednmag.com/ednmag/reg/2000/01202000/02hiw.htm

NTR Systems, Inc.
Manufacture ultrasound measurement systems for the medical and industrial ultrasound industries. Product line includes scanning tanks, force balance radiometers, water conditioners and ultrasound sensors.
http://www.ntrsystemsinc.com/

Ultra Sound Advice (UK)
Various ultrasound devices (air ultrasound, bat detectors, and data logger).
http://www.ultrasoundadvice.co.uk/

Ultrasound Echoscan Systems
Information about ophthalmic equipments for ultrasound by Nidek.
http://www.nidek.com/us.html

Emergency Ultrasound Consultants
The power of bedside diagnostic ultrasound to your clinical practice: save time and money, improve patient care and satisfaction, generate additional income, take your practice into the future. We help industry better understand the emergency and clinical markets, further education and improve products.
http://eusconsultants.com/

Diagnostic Ultrasound
manufactures and markets ultrasound products to diagnose, manage and treat patients with urinary outflow.
http://www.dxu.com/