Established in 1951, Master Manufacturing Co. is a provider of a variety of products to protect the office furniture. As the industry's one of the leading suppliers, it provides replacement casters for nearly 99 percent of the office chairs. The company produces an ergonomic lumbar support and seat/back cushion that allows for day-long seating comfort. Master Manufacturing Co. is W.B.E. (Women's Business Enterprise) certified in addition to being a member of the National Minority Business Council.