Profile: International Steel Services, Inc. specializes in the design, construction and operation of hydrochloric acid (HCl) recycling facilities. We provide services in waste water and air pollution control to steel industry in environmental areas. Our acid recycling is a process by which waste hydrochloric acid (HCl), in the form of ferrous chloride, from steel pickling operations is treated to produce recycled hydrochloric acid (HCl) and iron oxide.