The semiconductor industry in the United States comprises companies that develop, manufacture, and sell semiconductor devices essential for modern electronics. This sector powers everything from consumer gadgets to critical industrial applications by offering products like integrated circuits, microcontrollers, and sensors. Significant innovations are emerging in advanced materials, AI-driven design, and energy efficiencies. As demand for tech-savvy products surges, companies are highly focused on advancing fabrication techniques and meeting sustainability goals, potentially reshaping market dynamics while catering to emerging sectors like automotive and IoT.

This list features 16 notable semiconductor industry companies based in the US, ranging from startups like SiFive, founded in 2015, to well-established players like IBM, established in 1986. Companies operating in this space vary in size from around 200 to over 12,000 employees, reflecting a spectrum of market influence. Their specializations include microcontrollers, silicon wafers, and memory solutions, among other advanced technologies that support various sectors such as aerospace, defense, and consumer electronics.

Read on to uncover the top semiconductor industry companies in the US.

Top 16 Semiconductor Industry Companies in the US

1. Xilinx

• Website: xilinx.com
• Ownership type: Corporate
• Headquarters: San Jose, California, United States (USA)
• Employee distribution: United States (USA) 35%, India 28%, Singapore 11%, Other 26%
• Latest funding: $35.0B, October 2020
• Founded year: 1984
• Headcount: 1001-5000
• LinkedIn: xilinx

Xilinx, Inc. is a technology company based in San Jose, California, specializing in semiconductor solutions. Founded in 1984, Xilinx has carved out a niche in the market with its programmable logic devices and field-programmable gate arrays (FPGAs). The company provides a range of advanced software tools and AI solutions that empower businesses across various industries to innovate and optimize their electronic systems. Xilinx operates on a global scale, supporting customers with a comprehensive suite of products and technical resources. The company has a significant workforce, with a notable presence in the United States, India, Singapore, China, and Ireland, reflecting its international reach and operational capabilities. In 2020, Xilinx reported a substantial funding amount of $35 billion, indicating strong investor confidence in its future prospects and growth potential.

2. Microsemi Corporation

• Website: microsemi.com
• Ownership type: Corporate
• Headquarters: Aliso Viejo, California, United States (USA)
• Employee distribution: United States (USA) 50%, India 14%, Canada 11%, Other 25%
• Latest funding: $10.2B, March 2018
• Founded year: 1989
• Headcount: 10001+
• LinkedIn: microsemi

Microsemi Corporation, founded in 1989 and based in Aliso Viejo, California, is a prominent player in the semiconductor industry. The company designs and manufactures a wide array of semiconductor products and system solutions tailored for sectors such as aerospace, defense, communications, and data centers. Their extensive product line includes audio and voice solutions, circuit protection devices, and field-programmable gate arrays (FPGAs), which are essential for various applications ranging from military communications to industrial automation. Microsemi's commitment to quality and innovation is evident in their focus on high-reliability products, catering to clients who require dependable performance in critical environments. The company has also received substantial funding, reflecting investor confidence in its growth potential and market relevance.

3. Mouser Electronics

• Website: mouser.com
• Ownership type: Corporate
• Headquarters: Mansfield, Texas, United States (USA)
• Employee distribution: India 48%, United States (USA) 36%, Germany 5%, Other 12%
• Latest funding: January 2021
• Founded year: 1964
• Headcount: 1001-5000
• LinkedIn: mouser-electronics

Mouser Electronics, Inc., founded in 1964 and headquartered in Mansfield, Texas, is a prominent electronic components distributor. The company specializes in providing a wide array of semiconductors and electronic components to engineers and designers across the globe. With over a million unique stock-keeping units (SKUs) available, Mouser collaborates with more than 1,200 manufacturers, ensuring that customers have access to the latest technologies and components. Their offerings include integrated circuits, microcontrollers, sensors, and various other semiconductor products. Mouser also supports its clientele with a suite of tools and resources designed to streamline the design and purchasing process, enhancing efficiency for engineers and designers. The company operates with a significant workforce, with a notable presence in India, the United States, and Europe, reflecting its global operational capabilities.

4. IBM Canada Software Lab - Toronto

• Website: research.ibm.com
• Ownership type: Corporate
• Headquarters: United States (USA)
• Employee distribution: Canada 99%
• Latest funding: $1.5B, October 2014
• Founded year: 1986
• Headcount: 10001+
• LinkedIn: ibm-canada-software-lab---toronto

IBM Canada Software Lab - Toronto is a prominent technology research entity that operates under the umbrella of IBM Research. Founded in 1986, the lab is primarily focused on advancing computing technologies, with a strong emphasis on semiconductor innovations. The lab's research spans various areas, including quantum computing and artificial intelligence, but its semiconductor division is particularly noteworthy. IBM has pioneered several key technologies in the semiconductor space, such as the development of 7 nm and 5 nm process technologies, and continues to innovate with the introduction of 2 nm chips. The lab collaborates with various partners to enhance semiconductor design and manufacturing, contributing to the evolution of chip technology. With a workforce of over 10,000 employees, the lab is a hub for scientific inquiry and technological advancement, making significant strides in the semiconductor industry.

5. SiFive

• Website: sifive.com
• Ownership type: Venture Capital
• Headquarters: Santa Clara, California, United States (USA)
• Employee distribution: India 36%, United States (USA) 32%, Taiwan 21%, Other 11%
• Latest funding: Series E-K, $175.0M, March 2022
• Founded year: 2015
• Headcount: 501-1000
• LinkedIn: sifive

SiFive, Inc. is a semiconductor company based in Santa Clara, California, founded in 2015. The company specializes in RISC-V processors and silicon chips, offering a range of products that include core intellectual property (IP), development boards, and software solutions. SiFive's technology is designed to enhance performance across various industries, such as automotive, data centers, and artificial intelligence. The company has established partnerships with major semiconductor manufacturers and technology firms, reflecting its role in advancing computing solutions. With a workforce of over 500 employees and a recent funding round of $175 million in March 2022, SiFive is actively contributing to the evolution of semiconductor technology, particularly through its commitment to the RISC-V ecosystem.

6. Atmel Corporation

• Website: atmel.com
• Ownership type: Corporate
• Headquarters: San Jose, California, United States (USA)
• Employee distribution: United States (USA) 34%, China 20%, Malaysia 7%, Other 39%
• Latest funding: $3.6B, January 2016
• Founded year: 1984
• Headcount: 5001-10000
• LinkedIn: atmel-corporation

Atmel Corporation, based in San Jose, California, is a technology company that specializes in semiconductor solutions. Founded in 1984, Atmel has carved out a niche in the design and manufacture of microcontrollers and Internet of Things (IoT) technologies. The company provides innovative products and training services that empower businesses across various sectors, including automotive, industrial, and consumer electronics. Atmel's microcontrollers are integral to the development of connected devices, enhancing technological capabilities for their clients. The company has a global workforce, with a significant portion of its employees located in China, Malaysia, and India, reflecting its international reach. In January 2016, Atmel secured $3.6 billion in funding, underscoring its financial strength and commitment to advancing semiconductor technology.

7. Amlogic, Inc.

• Website: amlogic.com
• Ownership type: Venture Capital
• Headquarters: Santa Clara, California, United States (USA)
• Employee distribution: China 55%, United States (USA) 14%, Taiwan 10%, Other 22%
• Latest funding: Series A, $13.0M, September 2006
• Founded year: 1995
• Headcount: 1001-5000
• LinkedIn: amlogic-inc.

Amlogic, Inc. is a semiconductor manufacturer based in Santa Clara, California, founded in 1995. The company specializes in the design and sale of System on Chips (SoCs) tailored for consumer electronics. Amlogic's products are widely used in smart TVs, set-top boxes, and tablets, providing high-performance solutions that enhance multimedia experiences. The company operates primarily in the semiconductor sector, serving businesses in the consumer electronics industry. Amlogic has a significant workforce, with a notable portion of its employees based in China, reflecting its operational scale and market reach. Although the last reported funding was in 2006, the company continues to innovate and adapt to the evolving demands of the consumer electronics market.

8. SunEdison Semiconductor

• Website: sunedisonsemi.com
• Ownership type: Corporate
• Headquarters: St. Peters, Missouri, United States (USA)
• Employee distribution: United States (USA) 44%, Malaysia 24%, Italy 12%, Other 19%
• Latest funding: August 2016
• Founded year: 1959
• Headcount: 1001-5000
• LinkedIn: memc-electronic-materials

SunEdison Semiconductor, operating under the name GlobalWafers, is a semiconductor manufacturer based in St. Peters, Missouri. Founded in 1959, the company specializes in silicon wafers, which are critical components in the production of electronic devices. GlobalWafers serves a wide array of clients, including all of the top 25 semiconductor manufacturers, showcasing their importance in the supply chain. With manufacturing and R&D facilities across the globe, including locations in the U.S., Europe, and Asia, the company emphasizes innovation and quality in its product offerings. Their portfolio includes various types of silicon wafers, such as polished, epitaxial, and high resistivity wafers, catering to the needs of modern electronics, from smartphones to industrial applications.

9. Innosilicon

• Website: innosilicon.com
• Ownership type: Private
• Headquarters: San Jose, California, United States (USA)
• Employee distribution: China 52%, United Kingdom (UK) 29%, Canada 9%, Other 9%
• Founded year: 2006
• Headcount: 1001-5000
• LinkedIn: %e8%8a%af%e5%8a%a8%e7%a7%91%e6%8a%80

Innosilicon, founded in 2006 and based in San Jose, California, is a private semiconductor design company that specializes in high-speed interface IP solutions and custom ASIC design services. With a workforce of around 1,000 to 5,000 employees, the company operates globally, with a significant presence in China, the UK, and Canada. Innosilicon's product portfolio includes advanced memory subsystems, chiplet fabric, and high-speed SerDes interfaces, catering to various sectors such as automotive, AI, and high-performance computing. The company has shipped over 10 billion SoCs and has established partnerships with major foundries, ensuring their solutions are optimized for cutting-edge process technologies. Their commitment to innovation and customer-centric design services makes them a notable player in the semiconductor industry.

10. Indium Corporation

• Website: indium.com
• Ownership type: Private
• Headquarters: Clinton, New York, United States (USA)
• Employee distribution: United States (USA) 68%, Malaysia 13%, China 4%, Other 15%
• Latest funding: Other (Grant), $150,000, October 1996
• Founded year: 1934
• Headcount: 1001-5000
• LinkedIn: indium-corporation

Indium Corporation, founded in 1934 and based in Clinton, New York, is a private materials manufacturer with a workforce of over 700 employees. The company specializes in high-purity metals and assembly materials tailored for the electronics and semiconductor industries. Their product offerings include solder alloys, fluxes, and various metal compounds, which are crucial for applications in semiconductor packaging and assembly. Indium Corporation serves a global market, with a significant presence in sectors such as automotive and defense, emphasizing reliability and performance in critical applications. Their commitment to quality control throughout the production process ensures that they meet the stringent demands of the semiconductor industry.

11. Coventor, Inc., a Lam Research Company

• Website: coventor.com
• Ownership type: Corporate
• Headquarters: Fremont, California, United States (USA)
• Employee distribution: United States (USA) 75%, France 25%
• Latest funding: August 2017
• Founded year: 1996
• Headcount: 51-200
• LinkedIn: coventor

Coventor, Inc., a Lam Research Company, is a technology firm based in Fremont, California, specializing in software solutions for the semiconductor industry. Founded in 1996, Coventor focuses on providing advanced design automation and process modeling tools that help semiconductor manufacturers optimize their production capabilities. Their products are essential for enabling the development of smaller, faster, and more efficient electronic devices. As part of Lam Research, Coventor leverages the parent company's extensive resources and industry knowledge to enhance its offerings. The company plays a critical role in supporting semiconductor manufacturers by delivering innovative solutions that drive efficiency and precision in the manufacturing process.

12. Polar Semiconductor

• Website: polarsemi.com
• Ownership type: Venture Capital
• Headquarters: Bloomington, Minnesota, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Grant), $123.0M, September 2024
• Founded year: 1962
• Headcount: 501-1000
• LinkedIn: polar-semiconductor

Polar Semiconductor, LLC, based in Bloomington, Minnesota, is a semiconductor manufacturer with a strong focus on analog and power semiconductor devices and sensors. Founded in 1962, the company has built a solid reputation over its 60-plus years in the industry. Polar Semiconductor serves key markets including automotive, industrial, and consumer sectors, providing high-quality, American-made products. The company operates a state-of-the-art manufacturing facility that adheres to strict cleanroom standards, ensuring the integrity and quality of its semiconductor products. Recently, Polar Semiconductor received $123 million in funding, which underscores its commitment to innovation and expansion in the semiconductor market. Their expertise in high-voltage applications and custom manufacturing solutions makes them a significant contributor to the technology that powers modern devices and vehicles.

13. International Rectifier an Infineon Technologies Company

• Website: irf.com
• Ownership type: Corporate
• Headquarters: El Segundo, California, United States (USA)
• Latest funding: $3.0B, August 2014
• Founded year: 1947
• Headcount: 10001+
• LinkedIn: international-rectifier

International Rectifier, an Infineon Technologies Company, is a prominent semiconductor manufacturer based in El Segundo, California. Established in 1947, the company specializes in power management, microcontrollers, and sensor technologies. It serves a wide array of industries, including automotive, industrial, and consumer electronics. Infineon is committed to enhancing energy efficiency and automation through its innovative product offerings. The company operates on a global scale, focusing on sustainability and cutting-edge technology to meet the evolving needs of its customers. With a workforce exceeding 12,000 employees, International Rectifier plays a crucial role in the semiconductor sector, contributing to advancements in power management and energy solutions.

14. Rochester Electronics, LLC

• Website: rocelec.com
• Ownership type: Private
• Headquarters: Newburyport, Massachusetts, United States (USA)
• Employee distribution: United States (USA) 86%, China 3%, Singapore 3%, Other 8%
• Founded year: 1981
• Headcount: 501-1000
• LinkedIn: rochester-electronics

Rochester Electronics, LLC, founded in 1981 and based in Newburyport, Massachusetts, specializes in semiconductor manufacturing and distribution. The company addresses the pressing issue of obsolete semiconductor components, providing authorized manufacturing and distribution services. This focus allows Rochester Electronics to support major corporations and government agencies in maintaining a reliable supply of critical electronic parts. With a workforce of approximately 688 employees, the company operates primarily in the United States, with a small presence in China, Singapore, and Mexico. Their commitment to mitigating supply chain obsolescence highlights their importance in the semiconductor industry, as they help clients navigate the complexities of sourcing and maintaining essential components.

15. Sst

• Website: sst.com
• Ownership type: Corporate
• Headquarters: San Jose, California, United States (USA)
• Employee distribution: China 23%, United Arab Emirates 14%, France 14%, Other 50%
• Latest funding: $58.4M, March 2010
• Founded year: 1989
• Headcount: 501-1000
• LinkedIn: sst

Silicon Storage Technology (Sst) is a semiconductor company based in San Jose, California, founded in 1989. The company specializes in embedded Flash memory solutions, particularly its proprietary SuperFlash technology. This technology is designed to meet the demands of various industries, including automotive, IoT, and secure smart cards. Sst's SuperFlash products are known for their low power consumption, high endurance, and reliability, making them suitable for applications that require efficient and durable memory solutions. The company has a global presence, with a workforce distributed across several countries, including China, the UAE, and France. Sst operates as a wholly owned subsidiary of Microchip Technology Inc. since its acquisition in 2010, and it continues to innovate and expand its offerings in the semiconductor space. Their recent collaborations with foundries like UMC and SK Hynix further demonstrate their commitment to advancing embedded memory technology.

16. Toshiba America Electronic Components, Inc.

• Website: toshiba.semicon-storage.com
• Ownership type: Corporate
• Headquarters: Irvine, California, United States (USA)
• Employee distribution: United States (USA) 92%, Brazil 2%, Other 6%
• Latest funding: $129.2M, December 2015
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: toshiba-america-electronic-components-inc.

Toshiba America Electronic Components, Inc. is a semiconductor and storage solutions provider based in Irvine, California. Founded in 2009, the company operates as a subsidiary of Toshiba Electronic Devices & Storage Corporation. It specializes in delivering a wide array of semiconductor products tailored for automotive, industrial, and consumer applications. Their offerings include power semiconductors, MOSFETs, IGBTs, and various integrated circuits, which are crucial for modern electronic devices. The company serves clients that require high-capacity and reliable semiconductor technologies to meet their operational needs. With a workforce of approximately 269 employees, Toshiba America is well-positioned to address the growing demands of the semiconductor market, particularly in sectors that prioritize efficiency and innovation.

Semiconductor Industry Insights: Key Companies in the US

Company	Headquarter	Size	Founded	Ownership
Xilinx	San Jose, California, United States (USA)	1001-5000	1984	Corporate
Microsemi Corporation	Aliso Viejo, California, United States (USA)	10001+	1989	Corporate
Mouser Electronics	Mansfield, Texas, United States (USA)	1001-5000	1964	Corporate
IBM Canada Software Lab - Toronto	United States (USA)	10001+	1986	Corporate
SiFive	Santa Clara, California, United States (USA)	501-1000	2015	Venture Capital
Atmel Corporation	San Jose, California, United States (USA)	5001-10000	1984	Corporate
Amlogic, Inc.	Santa Clara, California, United States (USA)	1001-5000	1995	Venture Capital
SunEdison Semiconductor	St. Peters, Missouri, United States (USA)	1001-5000	1959	Corporate
Innosilicon	San Jose, California, United States (USA)	1001-5000	2006	Private
Indium Corporation	Clinton, New York, United States (USA)	1001-5000	1934	Private
Coventor, Inc., a Lam Research Company	Fremont, California, United States (USA)	51-200	1996	Corporate
Polar Semiconductor	Bloomington, Minnesota, United States (USA)	501-1000	1962	Venture Capital
International Rectifier an Infineon Technologies Company	El Segundo, California, United States (USA)	10001+	1947	Corporate
Rochester Electronics, LLC	Newburyport, Massachusetts, United States (USA)	501-1000	1981	Private
Sst	San Jose, California, United States (USA)	501-1000	1989	Corporate
Toshiba America Electronic Components, Inc.	Irvine, California, United States (USA)	51-200	2009	Corporate

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