Aurea 

Aurea SA, based in Paris, France, is a company focused on diverse recycling and waste treatment operations. The firm reprocesses used engine oils and manufactures retreaded tires from discarded ones. Its activities extend to the recycling of rigid PVC, various plastics, and packaging materials, along with the refinement and recovery of aluminum. Aurea also specializes in recycling copper to produce copper alloys, and in the treatment and reclamation of zinc, lead, and cadmium. Furthermore, a significant aspect of its work involves the treatment and decontamination of hazardous mercury waste. The company was formerly known as AUER, changing its name to Aurea SA in 1988.