Located in Granite Falls, Minn., MARR Valve Company is a full-service and diverse valve manufacturer. The company specializes in the manufactures and sale of small pneumatic valves, manifolds and custom injection molded parts for the dental and medical industries. Its in-house capabilities include computer-controlled, multi-axis precision machining, tooling, plastic injection molding, fabrication and assembly. MARR Valve Companys products are used in specific applications, such as water purification, chemical dispensing, photographic processing, carwash, automotive, medical, dental and beverage dispensing.