A.S.Controls was established in 1986, and started out as a small unit that developed level controls and valves for ammonia plants. Today, they boast of technological innovation that puts them in the forefront of the refrigeration and air-conditioning control industry in India.

They have two established brands – Castle and Subzero, both of whom have grabbed the attention, and the loyalty of several industry giants like Blue Star, Kirloskar and Reliance