Macawber Engineering specializes in modern transfer and injection systems for powders, granular and other bulk materials. It provides equipment for conditions that exceed environmental standards of dust and spillage free operations. The company s product lines feature pneumatic conveying and infection systems and inflatable seat valves. Macawber Engineering offers conveying lines, denseveyors, sand pumps and ashveyors. The company supplies material handling and processing systems centered on various applications to customers throughout the world. It also performs materials and laboratory testing services. Macawber Engineering was founded in 1977 and is based in Maryville, Tenn. The company maintains additional manufacturing facilities in Europe and India.