Channel Technologies Group designs and manufactures piezoelectric based advanced materials, sensors, and completed integrated systems that support mission critical applications for military and commercial markets. Since its founding in 1959 as Channel Industries, Channel Technologies has been providing a broad range of highly-engineered value-added products, components, and systems for use in the most demanding environments. Channel Technologies' products and services are used in a variety of applications and by diverse end users, including medical device manufacturers, oil service and exploration companies, and customers in the defense industry, including numerous departments of the U.S. Navy and many leading defense contractors. CTG was acquired by a group led by an affiliate of Blue Wolf Capital Fund II, L.P. in December 2011.