Klaus Schäfer

BB Engineering GmbH is a German company that offers a range of products and services related to machine components, spinning, and recycling systems. The private company is based in Remscheid, Germany. The company's product portfolio includes extruders, filters, and complete systems. The company also provides engineering, construction, and assembly services. The company was founded in 1998, and the CEOs are Klaus Schäfer and Wolfgang Imping.

TÜV Rheinland AG engages in the provision of technical services. It specializes in the testing, monitoring, development, promotion, and certification of products, equipment, processes, management systems, and services. The firm also qualifies experts and provides training for various industrial sectors. In addition, it engages in the research on and development of new technologies, development of new safety standards, as well as implementation of scientific research projects. The company was founded in 1872 and is headquartered in Cologne, Germany.

Currenta GmbH & Co. OHG provides waste management and rehabilitation project solutions. Its services include utilities, environmental, safety and security, infrastructure, analytics, vocational training, logistics, and maintenance. The company was founded in 1891 and is headquartered in Leverkusen, Germany.