DISC GmbH [Germany] – design and manufacture of optical storage solutions
Disklabs [UK] – provision of data recovery services
DISUK [UK] – manufacture of hardware tape encryption appliances
Dr. Fritz Faulhaber GmbH & Co. KG [Germany] – design and manufacture of precision drive system components for test and manufacturing equipment
dr. schwab Inspection Technology GmbH [Germany] – design and manufacture of high end physical inspection equipment for optical disc quality and process control
Elsässer GmbH [Germany] – manufacture of glassmasters/stampers for optical media replicators
Engis (UK) Ltd [UK] – manufacture of diamond powders, compounds, superabrasives, slurries and lapping/polishing machinery for the fabrication of magnetic heads and disk media