Maxtor Maxtor – acquired by Seagate in 2006 Memorex – acquired by Burroughs 1981 and then merged into Unisys 1986; HDD division shut down in 1988 Microcomputer Memories – Chapter 7 bancrutpcy in 1987 Micropolis Corporation – bankrupt in 1997 Microscience International – bankrupt in 1992 MiniScribe – bankrupt and then acquired by Maxtor in 1990 Ministor Peripherals – first mobile 1.8" drive; bankrupt in 1998 Mitsubishi – left industry Mitsumi Electronics Corporation NCR Corporation NEC – left industry Newberry Data Nippon Electric Industry Co. Ltd. (NEI) AKA as Densei in Japan was 34.5% owned by NEC. Stopped manufacturing HDDs in December 1986. Nippon Peripherals, Limited (NPL) Nomaï Okidata Olivetti Orca Technology Corporation Otari 1982-1986 Pertec Computer Philips Plus Development – Subsidiary of Quantum; created Hardcard; absorbed back into Quantum 1992 Potter Instrument PrairieTek – first 2.5" rigid HDD; bankrupt in 1991 Priam Corporation – 1978–1989, became Priam Systems Corporation in 1990 and sold product line to Prima International in 1991 Peripheral Technology, Inc (PTI) Quantum Corporation – sold hard disk drive business to Maxtor in 2001 Raymond Engineering Ricoh Rodime – first 3.5" rigid HDD; shut down manufacturing in 1991; licensed its patents until the patent business was sold for $1.5M in July 2003. The company was then the subject of a reverse merger and became Sportech PLC. Rotating Memory Systems, Inc. (RMS) Acquired by CCT in 1982 Sagem Samsung – HDD business acquired by Seagate for $1.4 billion in 2011 Seiko Epson Sequel - spin out of Memorex in 1988 Shugart Associates – Acquired by Xerox in 1977 and shut down in 1986. Siemens Sony Storage Technology Corporation (StorageTek or STK) – left industry SyQuest Technology – bankrupt in 1998; some patents acquired by Iomega. Re-emerged selling cartridges for their previously discontinued products. Tandon Corporation – acquired by Western Digital in 1988 Teac America, Inc. Texas Instruments Tokico Tulin Corporation – bankrupt Vertex Peripherals – acquired by Priam Corporation in 1985 Xebec – Xebec's 1410 SCSI controller formed the basis of IBM PC's hard disk controller. YE-Data See also History of hard disk drives List of computer hardware manufacturers List of hard disk manufacturers List of solid-state drive manufacturers Notes References Further reading - lists 126 HDD manufacturers including 3 current ones. Hard-disk manufacturers Defunct hard-disk manufacturers Defunct hard-disk manufacturers Hard disk Hard disk