Established in 1941, Charles Supper Company Inc. designs, manufactures and distributes instruments and laboratory supplies for X-ray crystallography and related fields of science. The company, based in Natick, Mass., primarily provides micropositioners, goniometer heads and spindle stage for many applications in medical, optical, electro-optical, laser, photographic and related fields. These instruments, developed by Charles Supper, adhere to the American Correctional Association accepted standards. Additionally, the company also distributes and markets thin walled capillary tubes, multichamber vapor diffusion plate and, sealants and melting systems needed for both capillary tubes and crystal growth chambers. Charles Supper Company Inc. is a corporate member of American Crystallographic Association.