Oxford Instruments PLC is a United Kingdom-based holding company of a group of subsidiary undertakings. The Company is engaged in the research, development, manufacture and sale of high technology tools and systems. It has seven operating segments. The seven operating segments have been combined into three aggregated reportable segments: the nanotechnology tools segment, industrial product segment and service segment. The Nanotechnology tools segment contains a group of businesses and supplying similar products. These are the Company�s technology products serving research customers in both the public and private sectors. The Industrial products segment contains a group of businesses supplying high technology products and components manufactured in medium volume for industrial customers. The Service segment contains the Company�s service business as well as service revenues from other parts of the Company. The Company also supplies optical cameras, microscope systems and software.