Roger Böing

Petrotec AG operates as a holding company, which engages in the manufacture and distribution of biodiesel using used cooking oil or other vegetable fats as the feedstock. The company was founded in 1998 and is headquartered in Borken-Burlo, Germany.

REG Energy Sales Germany GmbH produces biodiesel from recycled oils and fats. It is into the treatment of yellow grease and other raw materials with high fatty acid content. It produces biodiesel using multi-feedstock technology. This enables the company to treat variety of feedstocks, such as yellow grease, animal fats and virgin vegetable fats and oils in a fully-continuous process. It supplies biodiesel both to end clients, for the most part freight forwarding companies, as well as to mineral oil dealers. The company is headquartered in Borken, Germany.

Gelsenkraft GmbH is a solid fuels wholesaler based in Coesfeld, Germany. Gelsenkraft specializes in the wholesale distribution of solid fuels. The German company was founded in 2010 by Roger Böing and Jörg Terschluse, with Roger Böing serving as CEO since then.