Headwaters, Inc.. The Group's principal activities are to commercialize its chemical technologies, which are used to produce alternative fuel from coal derivatives and to develop and deploy alternative energy technologies. Alternative energy segment includes traditional coal-based solid alternative fuel business. It also develops and commercializes catalysts and catalytic processes for producing chemicals and converting low-value fossil fuels into high-value alternative fuels. CCP segment includes supply of post-combustion services and technologies to the coal-fired electric utility industry. The Manufactured product segment produces and sells standard masonry and stucco construction materials and supplies packaged products and blocks as well as value added technology products. On 19-Sep-2002, the Group acquired Industrial Services Group Inc. Alternative Energy accounted for 93% of fiscal 2002 revenues; Post combustion services, 5% and Masonry & stucco construction, 2%.