ESGL Holdings Limited

OIO Group is a waste management, treatment, and recycling company. It collects and recycles hazardous and non-hazardous industrial waste from customers such as pharmaceutical, semiconductor, petrochemical, and electroplating companies. The company also trades and sells products made from recycled waste, and engages in warehousing and distribution of circular products including zinc, precious metals, and base metals. Founded in 1959, it is headquartered in Singapore.