ABOUT US Crystal Dynamics, Inc. is in it's 11th year specializing in custom silicon wafer production of small diameter material (2"-6"), supported by 30 years' experience by the business owner in the semiconductor industry. The business moved to Oklahoma in 1999. CDI has numerous well-known long-term satisfied customers and references are available upon request. Owner/President: Dennis McWilliams Customer Service: Dona McWilliams