The company Gebr. Rieger was founded in Aalen in 1879. It moved into a new and modernly designed production plant in the outskirts of Aalen at the beginning of year 1991. Today, Gebr. Rieger – with its departments engineering works and aluminium foundry – is member of the globally active NEUMO-Ehrenberg group. Our aluminium foundry has been producing high-grade castings for decades. These are applied in the automobile industry and in mechanical engineering. In our department engineering works, we are successful in the fields of valves, weld constructions and bar pillars. As a matter of principle, all products are made of stainless steel, covering the whole range of stainless steel types from AISI 304 over AISI 316L to Hastelloy and special materials. Our products proven in longstanding applications, especially our constructions in aseptic valve areas are used in chemical, pharmaceutical and food industries. Recently, we also started supplying valves in the innovative area of renewable energies. Gebr. Rieger offers fully developed solutions in stainless steel for many areas. Experienced and motivated employees secure the high quality standard of our products. Modern production technologies like working centres form the basis for the undisturbed use of our armatures, valves and components. The better is the enemy of the good – following this motto, our construction department continuously develops new solutions, which support our customers in their process optimizing. Special customers’ challenges often result in practical solutions for many more customers. Our effort towards continual improvement was rewarded with the certificate according to ISO 9001 in 2005 for the first time. The renewal of the certificate in 2010 is the guarantee for our customers, that innovations, customers advisory service and reliable products will be in the focus of our efforts in the future as well as in the past. Our products: Sampling valves, regulation valves, safety valves, stainless steel valves.