CIAK is a waste management company from Croatia that focuses on recovering hazardous and non-hazardous waste. Focusing on recovering and recycling accumulators and batteries, CIAK helps closing the loop for these products.

Remondis is one of the world's largest recycling, service and water companies with over 30 000 employees and 900 business locations. The Lippe plant in Lünen is one of their largest sustainable projects: it has a surface area of 230 ha and is the largest industrial recycling plant in Europe.

Rombat is the largest producer of car batteries in Romania. Since 2005, the company has been collecting vehicle batteries to extract the lead they contain, recycle them and manufacture new batteries. The batteries are processed at the 3.7 ha Rebat facility in Copșa Mică.

PDR is a German company with extensive expertise in recycling materials, which has developed a groundbreaking technique to reuse polyurethane (PU) foam cans. In Germany, about 25 million cans are used each year, and a federal legislature has classified used PU foam cans as polluting waste which must be recycled.