II-VI Incorporated was founded in 1971 by Carl Johnson.
The name II-VI Incorporated is a reference to the groups II and VI in the periodic table, since the company started its business by producing cadmium telluride consisting of cadmium which belongs to group II and tellurium which belongs to group VI.
In 2004, II-VI Incorporated acquired Marlow Industries.
II-VI Incorporated is headquartered in Saxonburg, Pennsylvania. The company also maintains additional manufacturing facilities in New Jersey and Champaign, Illinois
Highest paying job titles at II-VI Incorporated include Embedded Software/Firmware Design Engineer, Manufacturing Engineer, and R&D Engineer