We are a family owned and operated screw machine shop located in Livonia, MI. We were started in 1957 by Howard G. Brown. We provide manufacturing services for aftermarket heating and cooling systems as well as engineered to specification parts in steel, stainless steel, aluminum, or brass. We have been a member of the PMPA association since its conception and remain dedicated to furthering the field of machining through participation and the sharing of knowledge. We are ISO 9001:2008 certified. Can provide a cage code upon request.