Since 1951 we have been a leading supplier of level measurement devices and reliable valves at Midland Manufacturing. Our main industry focuses on the railroad market, and we continually strive to provide products for safe railroad transportation. We provide diverse products, including ball valves, gaging devices, check valves, angle valves, weld rings, butterfly valves, valve actuator systems, various accessories, and much more. We are ISO 9001:2008 certified, and all our products meet the Association of American Railroads regulations. In addition, all our products undergo quality testing to ensure you receive the best products on the market.