June 13, 2013. Hermetic Switch, Inc. (HSI Sensing) acquired Genisco Filter Corporation, a California company. Genisco, headquartered in San Diego, designs and manufactures electromagnetic interference (EMI) filters for military/defense and industrial/commercial markets. ClearRidge is a long-time advisor to HSI Sensing.

HSI Sensing, headquartered in Chickasha, Oklahoma is the innovative leader in the engineering, design, and precision manufacturing of custom reed switch and sensor technology. Founded over 40 years ago, they are the industry experts at solving problems for customers in challenging design applications.