The following is an incomplete list of notable integrated circuit (i.e. microchip) manufacturers. Some are in business, others are defunct and some are Fabless.
0–9 3dfx Interactive (acquired by Nvidia in 2002)
A Achronix Actions Semiconductor Adapteva Agere Systems (now part of LSI Logic formerly part of Lucent, which was formerly part of AT&T) Agilent Technologies (formerly part of Hewlett-Packard, spun off in 1999) Airgo Networks (acquired by Qualcomm in 2006) Alcatel Alchip Altera Allwinner Technology Alphamosaic (acquired by Broadcom in 2004) AMD (Advanced Micro Devices; founded by ex-Fairchild employees) Analog Devices Apple Inc. Applied Materials Applied Micro Circuits Corporation (AMCC) ARM Asahi Kasei Microdevices (AKM) AT&T Atari Atheros (acquired by Qualcomm in 2011) ATI Technologies (Array Technologies Incorporated; acquired parts of Tseng Labs in 1997; in 2006, became a wholly owned subsidiary of AMD) Atmel (co-founded by ex-Intel employee, now part of Microchip Technology) Amkor Technology ams AG (formerly known as austriamicrosystems AG and frequently still known as AMS (Austria Mikro Systeme))
B Bourns, Inc. Brite Semiconductor Broadcom Corporation (acquired by Avago Technologies in 2016) Broadcom Inc. (formerly Avago Technologies) BroadLight Burr-Brown Corporation (Acquired by Texas Instruments in 2000)
C C-Cube Microsystems Calxeda (re-emerged with Silver Lining Systems in 2014) Cavium CEITEC Chips and Technologies (acquired by Intel in 1997) CISC Semiconductor Cirrus Logic Corsair Club 3D (Formerly Colour Power) Commodore Semiconductor Group (formerly MOS Technologies) Conexant (formerly Rockwell Semiconductor, acquired by Synaptics in 2017) Crocus Technology CSR plc (formerly Cambridge Silicon Radio) Cypress Semiconductor Now operating as subsidiary of Infineon Technologies.It was (acquired by Infineon Technologies in 2019).
D D-Wave Systems Dallas Semiconductor (acquired by Maxim Integrated in 2001) Dynex Semiconductor
E Elmos Semiconductor EM Microelectronic-Marin (subsidiary of The Swatch Group) Entropic Communications (acquired by MaxLinear in 2015) Epistar Epson ESS Technology Everspin Technologies Exar Corporation (established as a subsidiary of Rohm Semiconductor, acquired by MaxLinear in 2017) EZchip Semiconductor (acquired by Mellanox Technologies in 2016)
F Fagor (owned by Mondragon Corporation) Fairchild Semiconductor Ferranti Freescale Semiconductor (formerly part of Motorola, merged in 2015 with NXP) FTDI Fujifilm Fujitsu
G G.Skill General Instrument (semiconductor division acquired by Vishay Intertechnology in 2001) Genesis Microchip GlobalFoundries GM Components Holdings GMT Microelectronics (formerly Commodore Semiconductor Group) GreenPeak Technologies (acquired by Qorvo in 2016)
H Harris Semiconductor (acquired by Intersil) HannStar Display Corporation HiSilicon Hitachi, Ltd. Holtek
I IBM (International Business Machines) IM Flash Technologies (founded by Intel Corporation and Micron Technology, Inc.) Imagination Technologies (acquired by Canyon Bridge in 2017) Infineon Technologies (formerly part of Siemens) InfoTM Ingenic Semiconductor Inmos Inprocomm (acquired by MediaTek in 2005) Integra Technologies International Rectifier (now part of Infineon Technologies since 2015) Integrated Device Technology Intel (founded by ex-Fairchild employees) Intersil (formerly Harris Semiconductor, bought by Renesas in 2017) Intrinsity (acquired by Apple Inc. in 2010) InvenSense (acquired by TDK in 2016) Industrial Technology Research Institute IXYS Corporation
J Jazz Semiconductor (acquired by Tower Semiconductor in 2008) Jennic Limited (acquired by NXP Semiconductors in 2010)
K Kawasaki Kyocera Kingston Technology
L Lattice Semiconductor Leadcore Technology Linear Technology (now under Analog Devices since 2016) Littelfuse Lantiq (acquired by Intel in 2015) LSI Logic (founded by ex-Fairchild employees)
M M-Labs (formerly known as the Milkymist project) M-Systems (acquired by SanDisk in 2006) Macronix Magnum Semiconductor (acquired by GigOptix in 2016) MaxLinear Marvell Technology Group MediaTek Mellanox Technologies Mentor Graphics (subsidiary of Siemens) Microchip Technology Micron Technology Microsemi (acquired by Microchip Technology in 2018) MicroSystems International Mindspeed Technologies (spun off from Conexant) MIPS Technologies (acquired by Imagination Technologies in 2013, Imagination Technologies later sold the company to Tallwood Venture Capital in 2017) Mitsubishi Electric MOS Technology (founded by Allen-Bradley) Mosel Vitelic Corporation (defunct in 2009) Mosel Vitelic Inc Mostek (founded by ex-Texas Instruments employees) Motorola (semiconductor division spun off as Freescale Semiconductor)
N National Semiconductor (aka "NatSemi"; founded by ex-Fairchild employees, bought in 2011 by Texas Instruments) NEC (semiconductor division merged with Renesas Electronics) NetLogic Microsystems (acquired by Broadcom Corporation in 2012) Nexperia (spin-off from NXP, founded in 2017) Nichia Nintendo Nordic Semiconductor (formerly known as Nordic VLSI) Novellus Systems Nvidia (acquired IP of competitor 3dfx in 2000; 3dfx was co-founded by ex-SGI employee) NXP Semiconductors (formerly part of Philips) Number Nine Visual Technology (acquired by S3 Graphics in 2000) Nuvoton (Winbond spun off)
O OSRAM Oak Technology (acquired by Zoran Corporation in 2003) ON Semiconductor (formerly part of Motorola) Open-Silicon
P Phison Parallax Inc. Philips Semiconductors (spun off as NXP Semiconductors) Plessey PLX Technology (acquired by Avago Technologies, now Broadcom Inc.) PMC-Sierra (from the former Pacific Microelectronics Centre and Sierra Semiconductor, the latter co-founded by ex-NatSemi employee; now part of Microchip Technology) Panasonic (formerly known as Matsushita Electric Industrial Co., Ltd.) PortalPlayer (acquired by Nvidia in 2007) Powerchip Semiconductor Pragmatic Semiconductors Precision Monolithics (acquired by Analog Devices in 1990)
Q Qualcomm Qimonda (split off from Infineon Technologies AG which was formerly part of Siemens) Qorvo
R Rabbit Semiconductor (acquired by Digi International in 2006) Ralink (acquired by MediaTek in 2011) Rambus RCA Realtek Renesas Technology (joint venture of Hitachi and Mitsubishi Electric) Reticon RF Micro Devices (merged with TriQuint Semiconductor to form Qorvo in 2015) Ricoh Rise Technology (acquired by Silicon Integrated Systems in 1999) Robert Bosch Rockchip Rockwell Semiconductor (spun off as Conexant) Rohm Roland Corporation RMI Corporation (merged into NetLogic Microsystems, then Broadcom)
S Samsung Electronics (Semiconductor division) Sanyo (Semiconductor division sold off to ON Semiconductor in 2010) SanDisk (acquired by Western Digital in 2016) Seagate Technology Sensonor (acquired by Infineon Technologies in 2012) Sharp Corporation (Sharp Semiconductor division) SiFive Signetics (acquired by Philips (now NXP) in 1975) Sigma Designs SigmaTel (acquired by Freescale which merged with NXP in 2015) Silicon Motion Silicon Systems (now part of Western Digital) Silicon Labs Silicon Image (acquired by Lattice Semiconductor in 2015) Silicon Integrated Systems SK Hynix Skyworks Solutions (spun-off from Conexant) Sony (Semiconductor division) SMIC Spansion Spreadtrum STMicroelectronics (formerly SGS Thomson) ST-Ericsson (defunct in 2013) Sun Microsystems (acquired by Oracle Corporation in 2010) Symbios Logic (sold to Hyundai Electronics in 1995) Synertek
T Tamarack Microelectronics (merged with IC Plus in 2002) TDK Telechips Tektronix (semiconductor division sold to Maxim Integrated in 1994) Teridian Semiconductor Texas Instruments Tilera (acquired by EZchip Semiconductor, EZchip was later acquired by Mellanox Technologies) Toshiba Tower Semiconductor Transmeta (acquired by Novafora in 2009) TriQuint Semiconductor (merged with RF Micro Devices to form Qorvo in 2015) Truly International Holdings Trumpf TSMC (Taiwan Semiconductor Manufacturing Company. semiconductor foundry)
U UMC (company) u-blox Ubicom (formerly Scenix Semiconductor, acquired by Qualcomm Atheros in 2012)
V Vanguard International Semiconductor Corporation VIA Technologies (founded by ex-Intel employee, part of Formosa Plastics Group) Vimicro Virata Corporation (merged with Conexant in 2004) Vishay Intertechnology Vivante Corporation Volterra Semiconductor
W Wacom Western Digital Wilocity (acquired by Qualcomm Atheros in 2014) Winbond Wolfson Microelectronics WonderMedia
X X-Fab Xelerated (acquired by Marvell Technology Group in 2012) Xilinx (founded by ex-ZiLOG employee) XMOS
Y Yamaha Corporation
Z ZiLOG (founded by ex-Intel employees, part of Exxon 1980–89; now owned by TPG) Zoran Corporation (merged with CSR (company) PLC which was later merged to Qualcomm)
See also List of countries by integrated circuit exports List of system on a chip suppliers
References