Rainer Hoechsmann

VDI Verein Deutscher Ingenieure eV operates as an association which supports, promotes, and represents engineers in their field of work. It provides a venue for knowledge transfer, interdisciplinary cooperation, and promoting the specialized knowledge of engineers through statements, hearings, and political events. The company was founded on May 12, 1856 and is headquartered in Düsseldorf, Germany.

ExOne GmbH operates as a provider of 3D printing machines and printed products, materials and other services to industrial customers. It manufactures and markets 3D printing machines. The company was founded in 2007 and is headquartered in Gersthofen, Germany.

The ExOne Co. engages in the development, manufacture, and marketing of three-dimensional (3D) printing machines. It offers 3D printing solutions to industrial customers in the aerospace, automotive, heavy equipment, energy, and oil and gas industries. The company was founded in 1995 and is headquartered in North Huntingdon, PA.

Part of Desktop Metal, Inc., ExOne Property GmbH manages and leases land and buildings. The company is based in Gersthofen, Germany. The CEO of the German company is Eric Bader.

voxeljet technology GmbH is a manufacturer of sand casting molds and producer of plastic components. Its molds are used for plastic and metal casting. The company also develops industrial 3-Dimensional printing systmes for particle material components. The company was founded in 1999 and is headquartered in Friedberg, Germany.