3M Company

The Keramos division of Piezo Technologies creates advanced piezoelectric ceramics and composites for use in ultrasonic transducers and arrays. Since 1968, the Keramos division has been a global leader in the research and development of advanced materials requiring superior technical knowledge and production experience. Piezo Technologies supplies a wide range of the highest quality piezoelectric ceramics and composites to the manufacturers of acoustic and ultrasonic transducers. Piezotech, parent of all the Piezo Technologies' companies, was formed in 1999 to aggressively pursue business opportunities using piezoelectric technology, especially for ultrasound applications. The first two members of the Piezo Technologies family were Keramos, a manufacturer of advanced piezoelectric ceramic crystals, and Etalon, a manufacturer of innovative piezoelectric ultrasound transducers.

General Devices, founded in 1953, is a private, family-owned company that manufactures finished metal products and sheet metal fabrications. The company also supplies a wide selection of solid bearing, ball bearing and heavy-duty bottom-mount slides to original equipment manufacturers worldwide. It has manufacturing facilities located in Indianapolis. The company offers electronic packaging hardware as single components and as a complete packaging solution. Its products include chassis trak telescoping slides, hardware and accessories, and custom fabrication, finishing and assembly products. The company provides complete sheet metal fabrication services, and its manufacturing resources include traditional punch presses with modern stamping dies, laser machines and plasma-arc cutting machines. Its products are designed for use in the computer, audiovisual, broadcasting, telecommunication, medical, aerospace and various other industries. General Devices is an ISO 9001:2000-certified company.