Edelstahl Rosswag and Rosswag Engineering - Tradition meets Innovation The family-run Rosswag GmbH was founded in 1911 and is a leading supplier of forged components with 200 employees under the name Edelstahl Rosswag. The Rosswag Engineering division, founded in 2014, offers a holistic and fully integrated process chain for Metal Additive Manufacturing services. This enables the efficient and economical production of functionally optimized metal components from many different materials. The service portfolio ranges from the production of your prototypes, tools and serial products to the individual qualification of new materials and process parameters.