Fritz Merkle

OHB System AG develops and operates small satellites for communications, observation of the earth and research. The company was founded in 1985 and is headquartered in Bremen, Germany.

Carl Zeiss Jena GmbH engages in the design, prototyping, batch production, and testing of optical systems, single components, and auxiliary materials. It also provides services such as calibration, sampling of injection-molded and machined parts, hardness testing, heat treatment of materials, electromagnetic compatibility testing, and environmental simulation. The company is headquartered in Jena, Germany.

Carl Zeiss AG engages in the development and manufacture of scientific optics technologies and solutions services. Its products and solutions inlcude medical, microscopy, optemetry, industrial metrology spectroscopy, semicondictor technology, camera and film lenses, and simulation solutions planetariums. The company was founded by Carl Zeiss in 1846 and is headquartered in Oberkochen, Germany.

Erwin Kayser-Threde GmbH provides technological solutions for the industrial, aerospace and scientific sectors. Its fields of application include manned and unmanned space missions, optics and telematics. The company was founded by Axel Schmalz in 1967 and is located in Munich, Germany.