Ultrasonics Industry Association
Aims to be the forum for manufacturers, users, and researchers in ultrasonic technology.

The British Institute of Non-Destructive Testing
Professional institute for those engaged in non-destructive testing and condition monitoring. It is concerned with the education and training of its members, and the advancement of the science and practice of the subject in UK.

Other Acoustical Societies/Organizations

The Non Destructive Testing Association (New Zealand)
The NDTA is a technical subgroup of the Institute of Professional Engineers New Zealand (IPENZ). Membership structure and fees, library services, meetings and representation on standards authorities.

IEEE Ultrasonics, Ferroelectrics, and Frequency Control (UFFC)
The theory, technology, materials, and applications related to ultrasound, acoustic signal processing, ultrasound imaging.