Companies listed here manufacture components, manufacturing equipment, or provide services used in the manufacture of disk drives.
3M (NYSE:MMM) (Materials)
Abrasive Technology (Diamond grinding tools)
Adaptec (NASDAQ:ADPT) (Controller chips, software)
ADE Technologoies (Non-contact gauges)
Adept Technology (NASDAQ:ADTK) (Clean room and automation systems)
Adhesives Research (Low-outgassing adhesive tapes)
Advanced Hardware Architectures (Semiconductors)
Advanced RISC Machines (Embedded microprocessors for servo control & other functions)
Agere Systems (Disk drive read channels, ASICs, others)
AKM Semiconductor (Mixed signal chips, optical drive controllers)
Alps Electric Company (Magnetic Heads)
AMP (Tyco) (Connectors)
Analog Devices (NYSE:ADI) (Read channel and servo positioning chips)
Autocam (NASDAQ:ACAM) (Thin baseplates and machined components)
Avery Dennison (Low outgassing specialty adhesives)
Blue Sky Research (Optical drive components)
Charles Evans & Associates (Surface analysis services and instrumentation)
Circuit Assembly Corp. (SCSI connectors)
Cirrus Logic (NASDAQ:CRUS) (CD-ROM and rigid disk drive controllers)
Connector Resources Unlimited (CRU) (Storage subsystems plug-in bays and other components)
CTS Corporation (NYSE:CTS) (Hybrid components, interconnects)
Donaldson Company (Particulate filters for disk drives)
Dover Instrument (Manufacturing equipment)
Dow Chemical Company (NYSE:DOW) (Data storage materials, substrates, e-blocks)
Eco-Snow Systems (Cleaning process equipment)
Energy Conversion Devices (NASDAQ:ENER) (Phase change technology)
Engis Ltd. (Fine abrasives and slurries)
Evans Analytical Group (Materials and failure analysis)
Exar (NASDAQ:EXAR) (Semiconductors)
Guzik Technical Enterprises (Test equipment)
HEI (Thick film microelectronics)
Hitachi America (Motor drivers, preamps, read channels, microcontrollers, ASICS)
Hutchinson Technology (Head suspensions)
IBM Microelectronics (Microcontrollers)
Imation Corp. (NYSE:IMN) (Formerly 3M Data Storage and Imaging Company)
IMP (Semiconductors)
Infineon Technologies (Semiconductors for drives)
Integrated Circuit Systems (NASDAQ:ICST) (Clocks, ASICs, Fibre Channel transceivers)
Innovex (NASDAQ:INVX) (Thin film lead wire assemblies, flex circuits)
Kanthal Palm Coast (Formerly HP Reid Co.) (Fine guage wire for heads and actuators)
KLA-Tencor (NASDAQ:KLAC) (Head and disk inspection & metrology equipment)
Komag (NASDAQ:KMAG) (Media)
KR Precision (Head suspensions, etc.)
LeCroy (NASDAQ:LCRY) (Test instruments)
LSI Logic (NYSE:LSI) (Disk drive controller chips)
Loctite (NYSE:LOC) (Low outgassing adhesives and compounds)
Magnecomp (Head suspensions, etc.)
Magnetic Recording Solutions (Media test equipment)
Marvell Semiconductor (Disk drive read channels)
Molex (NASDAQ:MOLX) (Connectors)
National Semiconductor (NYSE:NSM) (Semiconductors)
Newport Corporation (Precision positioning and measuring equipment)
Nidec (Spindle motors)
Philips Semiconductors (NYSE:PHG) (Motor control, read channel chips)
Poco Graphite (Graphite sputtering targets)
QLogic (Controller chips)
Rogers Corporation (AMEX:ROG) (Flex circuits, elastomers, other)
Sankyo Seiki (FDD spindle and stepping motors, CD-ROM optical pickups)
Seagull Solutions (Air bearing and test spindles)
Sheldahl (NASDAQ:SHEL) (Flexible circuits)
Solectron (OEM manufacturing services)
Spectra-Physics Laser Data Systems (Laser-based machine tools: media texturing)
SpeedFam-IPEC (Disk processing equipment & supplies)
ST Microelectronics (Read channels, controllers, DSP, other)
Strasbaugh (Disk polishers)
Surface Technology Systems (TF head manufacturing equipment)
TDK (Media, ferrite materials, components)
Texas Instruments (Semiconductors)
Texwipe (Lube-buff & texture tapes, swabs, wipers)
Thin Film Analysis (Laboratory analysis of thin film processes)
Thomas West (Buff, wiping, polishing and texturing tapes)
Toray Marketing & Sales (America) (Optical storage media)
Trek, Inc (EOS/ESD Instrumentation)
Veeco (Etch & deposition process equipment, process metrology equipment)
Xyratex (Test equipment, contract manufacturing)
Zilog (NYSE:ZLG) (Microprocessors, controllers, DSP)
Zygo (NASDAQ:ZIGO) (Precision non-contact measuring equipment for disk heads, flying height, runout.