The article foregrounds the top-tier semiconductor firms that make California a powerhouse in the lucrative microelectronics sector. These innovative companies produce top-of-the-line semiconductors, a critical component in electronic devices, that revolutionize how we interact with technology. These firms not only specialize in diverse semiconductor technology including analog, mixed-signal solutions, advanced manufacturing, they also render prodigious ancillary and technical services. As we venture into an era of digitization, the semiconductor industry in California continues to carve new frontiers, underpinning technological advancements worldwide.


Top 25 semiconductor companies in California

1. Maxim Integrated

  • Website: maximintegrated.com
  • Headquarters: San Jose, California, United States
  • Founded: 1983
  • Headcount: 5001-10000
  • Latest funding type: Acquired
  • LinkedIn

Maxim Integrated is a company that offers innovative analog and mixed-signal solutions for a wide range of applications. They provide high-performance semiconductors that enable their customers to design and manufacture advanced electronic devices.


2. Lam Research

  • Website: lamresearch.com
  • Headquarters: Fremont, California, United States
  • Founded: 1980
  • Headcount: 10001+
  • Latest funding type: Ipo
  • LinkedIn

Lam Research is a global company that specializes in advanced semiconductor manufacturing solutions. They offer a range of products and services including process tools for chip manufacturing, technical training, and customer support. Their innovative technologies and expertise help drive the future of semiconductors and contribute to global advancements in various industries.


3. Applied Materials

  • Website: appliedmaterials.com
  • Headquarters: Santa Clara, California, United States
  • Founded: 1967
  • Headcount: 10001+
  • Latest funding type: Grant
  • LinkedIn

Applied Materials is a company that offers advanced manufacturing solutions to the semiconductor and display industries. They provide technologies, equipment, and services that enable the production of high-performance chips and efficient displays.


4. Amd

  • Website: amd.com
  • Headquarters: Santa Clara, California, United States
  • Founded: 1969
  • Headcount: 10001+
  • LinkedIn

Advanced Micro Devices, Inc. (AMD) is a global semiconductor company that designs and manufactures computer processors and related technologies. They offer a range of products for gaming, data centers, and personal computers, including CPUs, GPUs, and APUs.


5. Xilinx

  • Website: xilinx.com
  • Headquarters: San Jose, California, United States
  • Founded: 1984
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Xilinx, Inc. is a technology company that offers advanced solutions for the design and development of programmable logic devices. With a focus on innovation and cutting-edge technology, Xilinx provides a wide range of products and services that enable customers to create customized and high-performance applications.


6. Cymer

  • Website: cymer.com
  • Headquarters: San Diego, California, United States
  • Founded: 1986
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Cymer is an independently operated business within the ASML group that develops, manufactures, and services deep-ultraviolet (DUV) light sources. Their product portfolio includes excimer lasers using argon fluoride (ArF) or krypton fluoride (KrF) gases to generate light in the deep-ultraviolet spectrum, which is used in photolithography scanners to image patterns on silicon wafers.


7. SiFive

  • Website: sifive.com
  • Headquarters: San Mateo, California, United States
  • Founded: 2015
  • Headcount: 501-1000
  • Latest funding type: Series F
  • LinkedIn

SiFive is a leading company in the semiconductor industry, offering powerful and efficient RISC-V cores for high performance computing. They enable customers to innovate and shape the future of application-specific hardware. With a software-first approach and a community-driven mindset, SiFive is at the forefront of the RISC-V revolution.


8. Rambus

  • Website: rambus.com
  • Headquarters: San Jose, California, United States
  • Founded: 1990
  • Headcount: 501-1000
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Rambus is a technology company that specializes in creating cutting-edge semiconductor and IP products. They offer solutions in memory and interfaces, security, smart sensors, and lighting.


9. Adept Chip Services Pvt Ltd

  • Website: adeptchips.com
  • Headquarters: San Jose, California, United States
  • Founded: 2011
  • Headcount: 501-1000
  • Latest funding type: Acquired
  • LinkedIn

Adept Chips is a semiconductor company that offers solutions and services in industrial automation, consumer electronics, and telecommunications. They specialize in product design and development, offering turnkey projects and testing services. With a global presence in the United States, China, and India, Adept Chips aims to lead the modern communication revolution through the power of IoT.


10. Arteris

  • Website: arteris.com
  • Headquarters: Campbell, California, United States
  • Founded: 2003
  • Headcount: 201-500
  • Latest funding type: Ipo
  • LinkedIn

Arteris is a global provider of semiconductor IP solutions offering high-performance on-chip interconnects. They specialize in designing and licensing flexible and scalable interconnect fabric for SoC designs. With expertise in AI, machine learning, and automotive electronics, Arteris helps customers optimize their chip designs and improve performance. Their offerings include FlexNoC interconnect, cache coherent IP, and Ncore cache. Arteris operates globally with offices in the USA, France, Korea, and Austin.


11. Integrated Service Technology Inc. (iST)

  • Website: istgroup.com
  • Headquarters: Hsinchu, California, United States
  • Founded: 1994
  • Headcount: 501-1000
  • LinkedIn

Integrated Service Technology Inc. (IST) is a leading company in the field of semiconductor technology. They offer a wide range of services including reliability design verification, failure analysis, material analysis, and chemical analysis. With a focus on automotive electronics and advanced semiconductor processes, IST serves as a trusted partner for their clients' chip modification and signal testing needs.


12. OpenFive

  • Website: openfive.com
  • Headquarters: Milpitas, California, United States
  • Founded: 2020
  • Headcount: 501-1000
  • Latest funding type: Acquired
  • LinkedIn

OpenFive is a rebranded company that offers custom silicon solutions and IP subsystems for semiconductor manufacturing. They specialize in front-end design, IP development and integration, physical design, wafer manufacturing, and 2.5D packaging. Visit their website at openfive.com for more information.


13. Flex Logix Technologies, Inc.

  • Website: flex-logix.com
  • Headquarters: Mountain View, California, United States
  • Founded: 2014
  • Headcount: 51-200
  • Latest funding type: Series D
  • LinkedIn

Flex Logix is a company that specializes in flexible parallel processing performance for SoCs. They offer eFPGA IP that can be embedded in chips, providing high-speed and low-power solutions. Their EFLX Compiler allows for FPGA programming while reducing power and cost. The company targets customers in various industries, including microcontrollers, communications, networking, automotive, aerospace, and defense.


14. QuickLogic Corporation

  • Website: quicklogic.com
  • Headquarters: San Jose, California, United States
  • Founded: 1988
  • Headcount: 11-50
  • Latest funding type: Post Ipo Equity
  • LinkedIn

QuickLogic is a company that provides advanced semiconductor solutions for mobile and IoT applications.


15. TSI Semiconductors

  • Website: tsisemi.com
  • Headquarters: Roseville, California, United States
  • Headcount: 201-500
  • LinkedIn

TSI Semiconductors is a world-class semiconductor technology development and volume production CMOS fab, offering custom and standard foundry services. They provide high-quality wafer foundry services and turnkey solutions named 'SIS' (Silicon Integration Service) for every LSI development/production stage. TSI Semiconductors partners with JFE Shoji Electronics Corporation, an electronics trading company in Japan, to offer logistics services and solutions to enhance customers' competitiveness in the electronics industry.


16. Memsic

  • Website: memsic.com
  • Headquarters: Tianjin Airport Economic Zone, California, United States
  • Founded: 1999
  • Headcount: 201-500
  • LinkedIn

MEMSIC (memsic.com) is a leading company in the MEMS industry, offering stable and mass-produced products such as thermal accelerometers, capacitive accelerometers, AMR magnetometers, and low-power consumption Hall switches. They specialize in motion sensing technology for various applications including consumer electronics, automotive, IoT, and medical. With a strong focus on innovation, MEMSIC aims to provide intelligent, reliable, and safe technology solutions to enhance user experiences.


17. Tensorcom Inc.

  • Website: tensorcom.com
  • Headquarters: Solana Beach, California, United States
  • Founded: 2010
  • Headcount: 51-200
  • Latest funding type: Series Unknown
  • LinkedIn

Tensorcom is a fabless semiconductor company specializing in low power, gigabit speed, mmWave technology solutions. They offer products that help solve wireless challenges faced by their customers.


18. Kla-tencor Limited

  • Website: kla-tencor.com
  • Headquarters: Milpitas, California, United States
  • Founded: 1976
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

KLA-Tencor is a company that offers advanced technology and equipment solutions for semiconductor manufacturing. They specialize in providing precise measurements and inspection systems to improve yield and productivity in the semiconductor industry.


19. Elevate Semiconductor

Elevate Semiconductor is a company specializing in the design and manufacture of integrated circuits for semiconductor testing. They offer comprehensive solutions that test all functions of semiconductors, including high voltage chips and pin electronics. With a focus on ATE, Elevate Semiconductor provides state-of-the-art technology for various industries such as automotive, data centers, and IoT.


20. Chips, Etc

  • Website: chipsetc.com
  • Headquarters: Gardena, California, United States
  • Headcount: 1-10

Vintage Computer Chip, Semiconductor & Transistor Memorabilia from Intel, AMD, Apple, Cray, Amdahl, Cyrix, Univac, RCA, IBM, Bell Labs, RCA & more.


21. SMARTsemi

  • Website: smartsemi.com
  • Headquarters: Newark, California, United States
  • Founded: 2002
  • Headcount: 1001-5000
  • LinkedIn

SMARTsemi is a Line of Business of SMART Modular Technologies, Inc. that manufactures and delivers millions of memory components globally for embedded medical, robotics, communications, industrial, defense, home entertainment applications and standard, ruggedized, and custom memory and storage solutions in high-growth markets.


22. Area51 Electronics

  • Website: area51esg.com
  • Headquarters: Irvine, California, United States
  • Founded: 1999
  • Headcount: 51-200
  • LinkedIn

Area51 Electronics is a global distributor of electronic components, hardware, and assemblies. They offer value-added services, supply chain solutions, and quality counterfeit mitigation.


23. Perceive

Perceive.io is a company that specializes in transforming sensing into perceiving. They offer products such as Ergo, Ergo 2, and Benchmarks for delivering data center-class inferencing at ultra-low power for edge devices.


24. Ceremorphic, Inc.

  • Website: ceremorphic.com
  • Headquarters: San Jose, California, United States
  • Founded: 2020
  • Headcount: 51-200
  • Latest funding type: Series A
  • LinkedIn

Ceremorphic is an innovative technology company focused on providing reliable performance computing solutions. With their advanced architecture designed on cutting-edge 5nm process technology, Ceremorphic offers high-performance computing capabilities for a wide range of industries and applications, including AI model training, HPC, drug discovery, and metaverse processing.


25. CMOS Sensors Inc

  • Website: csensor.com
  • Headquarters: Cupertino, California, United States
  • Founded: 1997
  • Headcount: 51-200
  • LinkedIn

CMOS Sensor Inc. is a Silicon Valley semiconductor company that designs and manufactures high-quality electro-optical image acquisition solutions. They offer a wide range of products such as linear image sensors, fingerprint modules, laser distance rotators, and more.


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