Hoerbiger America Rings & Packing provides a range of valves and piston rings. It is a part of HOERBIGER, which specializes in compression, automation and drive technologies. Established in 1894, HOERBIGER offers a variety of components and services for compressors, engines and hydraulic systems. It serves the automotive, machinery and plant construction, and oil, gas and process industries. The company provides relief and check valves and monitoring, sealing and control systems. HOERBIGER also offers pistons, liners, power cylinders, bearings and bushings, cylinder heads, fuel admission components, and gaskets and accessories. It provides equipment upgrading, compressor optimization, inventory management, and condition and performance monitoring services. The company offers water-cooled and intermediate packing solutions. HOERBIGER has research and development capabilities. It maintains a staff of more than 6,400 employees.