Hydrodec Group plc is a clean-tech industrial oil re-refining company with operations in the United States and Australia. The Company is engaged in re-refining of used transformer oil into, and sale of, SUPERFINE oil, and collection and treatment of waste lubricant oil and the sale of recycled oil products. The Company operates through two segments: Re-refining and Recycling. The Company's Re-refining segment is principally engaged in the treatment of used transformer oil and the sale of SUPERFINE oil. The Company's Recycling segment is principally engaged in the collection and treatment of waste lubricant oil and the sale of recycled oil products. It processes used oil at approximately two plants in Canton, Ohio, the United States and Bomen, New South Wales, Australia, respectively. Its subsidiaries include Hydrodec Holdco Limited, Hydrodec Inc and Hydrodec Japan Co Limited.