Stefan Ulrich

EcoUnion AG provided energy building evaluation software solutions. It engages in real properties analysis, issuance of energy certifications, efficiency reports and analysis, as well as on-site consultation for households, detached houses, residential areas, and entire district towns. The company was founded by Alexander Hotz and Lars M. Wolfram in 1999 and was headquartered in Stuttgart, Germany.

Kofler Energies AG engages in the provision of energy and resource efficiency solutions. Its business activities include the buying and selling of grid-bound energy products; planning of buildings and plants; installation of energy management systems; as well as construction, financing, and operation of decentralized power plants. The company was founded by Georg Kofler on January 25, 1999 and is headquartered in Berlin, Germany.

Elprog GmbH provides electronic manufacturing services. The firm's services include production, development/layout, logistics, materials management and electrical testing concept and repair service. The firm caters to small and medium-sized companies from various industries, usually with an industrial background in control technology, laser, medical, and instrumentation. The company was founded by Peter Gunzer in 1981 and is headquartered in Benediktbeuern, Germany.