The company Weisser Spulenkörper GmbH is a manufacturer of electrical and electronic components and offers highly automated manufacturing solutions, personal development consulting and further production solutions as well as services. It also invests in 3D printing technology to support automation processes and functional prototypes. Another company mentioned in the texts is Rüfenacht AG, which uses 3D printing technology for the production of mechanical parts and contract manufacturing. A further company mentioned in the texts is a-metal, which offers consulting and sales of 3D printing products. However, the company most frequently mentioned in the texts is Weisser Spulenkörper GmbH, whose core activity is the manufacture of electrical and electronic components.