Best Semiconductors Companies in Sunnyvale, United States

Provider of high-performance AI infrastructure and wafer-scale computing solutions. It leverages proprietary wafer-scale processor technology to power generative AI, real-time reasoning, conversational AI, and intelligent agent workflows with significantly higher speed and efficiency than traditional GPU-based systems. Its offerings support cloud, on-premise, and private deployment environments, enabling organizations to build, fine-tune, and serve large AI models at scale while optimizing performance, latency, and infrastructure costs.

Funding rounds

• Apr 2026Conventional Debt$850M
• Feb 2026Series H$1B
• Sep 2025Series G$1.1B
• Jan 2025Grant (prize money)$1.6M

Founders & team

Michael JamesCo-FounderJean-Philippe FrickerCo-FounderSean LieCo-Founder & CTO

Investors

Benchmark, Foundation Capital, Eclipse, Open Field Capital, Qualcomm Ventures, Coatue

Tech stack

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Provider of engineering solutions from silicon to systems, including EDA tools, semiconductor IP, and systems verification. The company supplies software and IP for designing, verifying, and testing integrated circuits and electronic systems, along with simulation, analysis, and AI-driven design optimization platforms used across industries such as computing, automotive, AI, and communications. The company offers solutions for custom design, digital design, and silicon lifecycle management. Offerings extend to verification, including simulation, static and formal verification, and debug and coverage. The company provides silicon IP, including interface, processor, and foundation IP. Systems verification and validation solutions include emulation, prototyping, and virtual prototyping platforms.

Funding rounds

• Dec 2025Post IPO$2B
• 1994Post IPO—

Founders & team

David GregoryCo-FounderAart GeussCo-Founder

Investors

New Enterprise Associates, Nvidia, VentureTech Alliance, Oak Investment Partners

Tech stack

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Developer of microLED interconnects for high-bandwidth communication in AI data centers. The company’s technology enables scaling of compute clusters, connecting thousands of GPUs. These interconnects provide energy-efficient performance beyond copper limits. The company focuses on advancing microLED and photo detector arrays.

Funding rounds

• May 2025Series B$65M
• Aug 2022Series A$25M
• Jan 2021Grant (prize money)$255.6K
• Nov 2019Series A$7.7M

Founders & team

Bardia PezeshkiFounder & CEO

Investors

America’s Seed Fund, Samsung Catalyst Fund, Cerberus Capital Management, Clear Ventures, Micron, Tiger Global Management

Tech stack

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Provider of nonvolatile reflex computing enabler. It develops a low power and low latency reflex computing unit for the battery powered agentic edge AI devices with proprietary embedded nonvolatile memory and tightly coupled AI compute engine that can be built using a standard logic process scalable toward advanced process nodes. It enables the processing of AI models locally and makes predictions in real-time.

Funding rounds

• Nov 2024Series A—
• Jul 2024Series A$5.6M
• Jul 2022Seed$1.7M
• May 2021Grant (prize money)$1.5M

Founders & team

Seung-Hwan SongCo-Founder & CEO

Investors

Mirae Asset, WE Ventures, Lotte Ventures, BluePoint Partners, National Science Foundation, Stonebridge Ventures

Tech stack

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Mellanox Technologies is a provider of end-to-end Ethernet and InfiniBand interconnect solutions and services for servers, storage, and hyper-converged infrastructure. It also provides high processor solutions for network and data center needs, network adapters, switches, cables which accelerate the performance in data centers, cloud storage, security, telecom, and financial services. The current generation of its chips are produced by Taiwan Semiconductor Manufacturing Corp. It has partnered with Auburn University’s Parallel Architecture and System Laboratory (PASL), Distributed Computing (DISCO) Laboratory, The University of New Hampshire InterOperability Laboratory (UNH-IOL), and Virginia Tech.

Provider of AI-based silicon IP and chip solutions. It has developed and licensed XDR DRAM technology and develops security solutions for cloud computing, mobile devices, and connected vehicles. It is developing solutions for smart sensors and lighting. It provides SoC and system designers to use the interface and security IP and memory interface chip solutions for data centers and edge to artificial intelligence and automotive.

LiDAR sensor developers. It short and long range sensors for smart city, railway, automotive, and other transport applications.

Funding rounds

• Aug 2021Series B$66M
• May 2021Series B$64M
• Oct 2018Series A$30M
• 2017Seed—

Founders & team

Junwei BaoCo-founder and CEOYimin LiCofounder and CTO

Investors

GTJAI, Shunwei Capital, NIO Capital, F-Prime Capital, Eight Roads Ventures, Temasek

Tech stack

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Provider of AI-driven LiDAR sensing solutions. It offers hardware and software solutions for LiDAR sensing. It also provides various products including mechanical lidar sensors, solid-state lidar sensors, and perception software. Its features include real-time analysis for people counting, object detection, classification, and tracking. It has applications in mapping, smart cities, industrial automation, and social distancing.

Funding rounds

• Apr 2020Series C—
• Oct 2018Series C$25.5M
• Aug 2016Series B$90M
• Apr 2015Series A$10M

Founders & team

Enzo SignoreCo-Founder & CEO

Investors

Delphi Technologies, Samsung Venture Investment, GP Capital, Sensata, Motus Ventures, Rising Tide Fund

Manufacturer of pressure-sensitive multi-touch sensors. It has developed a multi-touch input device that senses pressure applied at any individual point. This device is made up of a grid of sensors that detect the point of interaction along with the amount of pressure applied. It can also detect touch from any flexible material placed over it. Using this feature, they have developed tactile overlays for different applications, like keyboard input and music. Users can interact with the computer or any other device. They have open-source API that allows users to feed in raw pressure data or touch information into a system.

Funding rounds

• Oct 2021Series B$34.2M
• Mar 2020Series A$28M
• Nov 2018Series A$10M

Founders & team

Aaron ZarragaCo-founder / CEO

Investors

SIG, Morningside, SMiT, Palm Holdings, Golden Chariot Train, Innolinks Ventures

Tech stack

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Innovating essential technology solutions for data infrastructure, networking, and compute. The company provides cutting-edge solutions for the data center, enterprise, and carrier markets. It offers a broad portfolio of products, including compute, CXL, data processing units, security, networking, coherent DSPs, data center switches, Ethernet controllers, Fibre Channel, and SSD controllers. The company focuses on accelerated infrastructure for the AI era, enabling hyperscalers to build advanced data centers. The company's solutions power digital transformation by modernizing and securing networks with performance, intelligence, security, and telemetry. The company connects the world with network silicon, enabling new consumer and enterprise applications. The company's platforms operate on a global scale, enabling carriers to innovate sustainably. The company is committed to fostering an inspirational workplace and driving innovation in the technology industry.

GLO is a technology spin-out from the Nanometer Structure Consortium (nm) at Lund University. The company holds more than 50+ patents in the area of nanotechnology-based LEDs. GLO has developed a technology to fabricate single-crystal semiconductor nanowire structures. These LEDs emit a wide range of Visible spectrum colors with high intensity. The applications include displays and screens, lighting and illumination, and automotive headlights.

Adesto Technologies is a semiconductor company that develops next-generation ultra-low-power embedded non-volatile memory technology CBRAM (Conductive Bridge RAM). Their technology offers storage that typically a hundred times less than standard flash cells without sacrificing performance. Their storage solutions are resistant to threshold levels of gamma and electron beam sterilization allowing medical applications. They also license their technology as well. Their contract manufacturers include United Microelectronics Corporation, Altis Semiconductor S.N.C, Amkor Technology, Inc.

Funding rounds

• Sep 2019Post IPO$81M
• Sep 2018Post IPO—
• Jul 2016Conventional Debt$20M
• Aug 2013Series D$12.4M

Founders & team

James JollyCEO / Senior Partner

Investors

Arch Venture Partners, Adams Street Partners, Applied Materials, 180 Degree Capital, ATA Ventures, X-FAB Semiconductor Foundries

Tech stack

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