Peter Massar

GML - Gemeinschafts-Müllheizkraftwerk Ludwigshafen GmbH is a waste management company based in Ludwigshafen am Rhein, Germany. The German company is involved in optimizing the waste management process and improving the quality of the waste disposal site. The company is ultimately controlled by the State of Ludwigshafen. Recently, the company has supported the "clean river project" by Stephan Horch, which aims to raise awareness about the increasing pollution of rivers and oceans due to plastic waste. Stephan Horch has created artistic photographs by arranging the waste collected from the water. The company was founded in 1985, and Thomas Grommes has been the CEO of the company since 2010.

ABG Abfallbeseitigungsgesellschaft mbH engages in the collection of non-hazardous waste. The company is a subsidiary of the City of Mannheim and ultimately controlled by them. The company is based in Mannheim, Germany. The German company was founded in 1981. The CEO is Hans-Georg Hering.