OHB-System is a medium-sized spaceflight company located in Bremen, Northern Germany, which belongs to the OHB-Technology AG. OHB-System is a systems provider in the areas of telematics, space technology, security and satellite services. The company was founded in 1958 as a marine systems outfitter and shifted its fields of activity toward aerospace engineering in 1981, when it was taken over by Prof. Manfred Fuchs. In 2005 OHB-System employs approximately 300 persons.

The company has been working on numerous prestigious national German and international projects related to small satellites, manned space flight as well as security and reconnaissance technologies. Examples for OHB satellite missions for tele-communication, Earth-Observation and reconnaissance are BREMSAT, SAFIR 1&2, BIRD/RUBIN, ABRIXAS and SAR-Lupe. Examples for OHB microgravity facilities are the scientific racks for the International Space Station Fluid Science Laboratory and European Physiological Module.