General Info

Originally formed in 1956 as Thermodynamics Inc., Lindsay Manufacturing Inc. is one of the leading manufacturers of central vacuum systems in the world. Based in Ponca City, Okla., it manufactures a range of intercom systems under the name AudioTech and is the North American distribution center for Valet System One intercoms. Some of the products offered by the company are tool kits, wet pick ups, decorative valves, electrostatic screen and many more. Lindsay Manufacturing Inc. exports its products to more than 20 countries worldwide.