On December 30, 2015, Senasys, Inc., a diversified manufacturer of switching and sensing solutions based in Altoona, acquired Cliff Industrial Corporation.

Senasys, Inc. was founded in 1999 in Freeport, Ill., by Wisconsin native Steve Dye and relocated to Altoona, Wis. in 2001.The business has expanded over the years to include product lines developed in-house as well as acquisitions of components previously produced by companies such as Honeywell and GE.