c-s-i has been providing a quality service since our founding in 1997. It is our mission to to provide a service to upgrade and enhance the performance of X-ray Microanalysis and Electron Microscope Imaging Systems by bringing together the expertise of independant service and sales professionals with a selected range of products from leading manufacturers. Bill Cartledge the founder of c-s-i, has been in the business of electronics and electron microscopy for over 35 years. Before founding c-s-i, Bill had worked for several national and international companies in the field of electron microscopy.