Customers               Sumitomo Heavy Industries, Ltd       Ship Repair, Yokohama Dock and Machinery Works, Mitsubishi Heavy Industries, Ltd.         Scaffold Leasing               Sugiko Co., Ltd.           Industrial Waste Disposal               Refulex Co., Ltd.       Kadokura Shoten K.K.             Heat and Sound Insulation Operations               Asahi Built Co., Ltd.             Material Suppliers             Hisagoya K.K. The birthplace of our company, Uraga port     Unobun Co., Ltd.       Ricoh Technosystems Co., Ltd.   Iwata Corporation