Best Semiconductors Companies in Irvine, United States
The 67 best Semiconductors companies in Irvine, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Menlo Micro.
Our analysis of 69 Semiconductors companies
$22.3b in tracked funding; 88% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Semiconductors companies in Irvine
| # | Company | Last round | Disclosed funding | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3D Advanced Technologies Offers photonics product development & foundry supply chain engineering services | — | — | — | 2012 | Fred Barber Founder & VP | — | 35 patents Uniformly doped silicon single-crystal growth and multi‑dopant Czochralski processes | — |
| 2 | Alpha Technics Accurate temperature measurement equipment | — | — | 6 | 1979 | — | — | — | — |
| 3 | Alpha-Numero Provider of IoT, data analytics, business intelligence, and other services | — | — | 171 | 2015 | Hari Patel Co-Founder and EVP | WordPressMySQLPHP+29 | — | 4 job openings |
| 4 | American Industrial Systems Industrial HMI and display products | — | — | 9 | 2005 | Nelson Tsay Founder & CEO | — | — | — |
| 5 | area51-esg A diversity electronic, electrical, and electromechanical components and assemblies distributor. | — | — | 82 | 1999 | — | MagentoWooCommerceWordPress+26 | — | 2 launchs |
| 6 | Astronics Test Systems Astronics Test Systems verifies performance of the world’s most critical electronics with a complete line… | — | — | 226 | — | — | — | — | 1 job opening |
| 7 | Aura Breathalyzer Develops coin shaped breathalyzer for consumers | — | — | — | 2011 | Christopher Ho Co-Founder | — | — | — |
| 8 | Axiom Microdevices Manufacturer of drivers for integrated circuits | — | — | — | 2002 | — | — | 76 patents Patents concentrated in electrical & electronics | — |
Top 12 Semiconductors companies in Irvine
#1
Series C · Irvine, California · founded 2017 · 95 employees$121.4Mraised▾
Provider of neural processing units for edge computing applications. It develops hardware machine learning solutions for battery-powered devices. It uses its patented analogue neural network technology in flash memory and develops neural decision processors (NDP). The processors perform neural network computations in flash memory, and enable network communication at lower power. It is suited for high computational workloads for real-time applications at ultra-low-power. It has applications in multiple battery-powered devices, including smartphones, wearables, remote controls, drones, sensors, and security cameras.
- Sep 2023Series C$56.4M
- Aug 2020Series C$35M
- Oct 2018Series B$25M
- May 2018Series A—
#2
Series A · Irvine, California · founded 2010 · 8 employees$4.3Mraised▾
Provider of communication modules for IoT applications. Offers hardware, software and AI solutions that enable 5G and other different Internet of Things connectivity solutions. Has use case in industries like automotive, education, fleet management, healthcare, retail and smart cities/homes.
- Mar 2024Series A$4.3M
#3
Deadpooled · Irvine, California · founded 2019 · 8 employees$28Mraised▾
Fabless manufacturer of multiple integrated circuits. It designs and develops analogue and mixed-signal integrated circuits.
- Aug 2023Series C$28M
#4
Series C · Irvine, California · founded 2016 · 87 employees$235.2Mraised▾
Provider of radiofrequency-based MEMS actuators. It has developed materials, designs, and processing techniques to develop enhanced electronic switches that can handle high temperatures and stress, RF subsystems, signal relays, and power relays. Its applications are in 5G networks, industrial IoT markets, battery management, home automation, electric vehicles, and medical instrumentation.
- Mar 2022Series C$150M
- Oct 2020Series B$44M
- Jul 2017Series A$22.5M
- Dec 2016Series A$18.7M
#5
Deadpooled · Irvine, California · founded 2013 · 34 employees$45Mraised▾
Developer of SSD storage systems. It offers a converged platform that provides enterprise SSD storage capabilities and computes resources. Its product is optimized for applications requiring consistent and low-latency mass storage.
- Feb 2020Series C$20M
- Feb 2018Series B$12.4M
- Feb 2018Conventional Debt$4M
- Mar 2017Grant (prize money)$1.4M
#6
Acquired · Irvine, California · founded 2002 · 91 employees$117.4Mraised▾
ClariPhy Communications is a fabless semiconductor company that designs and markets ICs for high-speed communications. Clariphy provides 10G to 400G semiconductor solutions for scaling internet bandwidth for data centers, transport infrastructure and cloud based network. Clariphy was named winner of 2011 EE time ACE award for emerging technology.
- Aug 2014Series C$19.7M
- Apr 2013Venture Debt$1M
- Nov 2012Series C$8.8M
- Aug 2011Series C$42.9M
#7
Acquired · Irvine, California · founded 2002 · 25 employees$79.8Mraised▾
Wispry is a United States based fabless semiconductor company developing technologies for wireless market. Wispry has successfully achieved convergence of digital, analog, and RF functionality on a single chip by integrating MEMS devices with industry standard RF-CMOS process flows. Wispry technology finds application in consumer electronics products like mobiles, tablets, UMDs, MIDs etc in addition to defense and security usage. Wispry in association with Skytek released worlds first MEMS-Tuned UHF RFID Antenna.
- Jun 2014Series D$8M
- Nov 2013Series D$1M
- Jun 2013Series D$3M
- Mar 2013Series D$3M
#8
Public · Irvine, California · founded 2020 · 43 employees$12.5Mraised▾
Provider of 5G mmWave chips. It is a connectivity solutions provider for mmWave 5G and high bandwidth cable networks. It also develops ultra-compact, fully integrated, single-chip, single-die, CMOS-based mmWave beamformers, and antenna solutions.
- Feb 2021Seed$10M
- Dec 2020Seed$2.5M
#9
Series C · Irvine, California · founded 2018 · 37 employees$34Mraised▾
Developer of see-through imaging systems for application in the medical industry. It develops and commercializes unique x‐ray systems that enable revolutionary new capabilities for ultrahigh‐fidelity imaging, ultra‐low dose radiography, hyper‐precision radiotherapy, as well as element-specific and isotope-specific material identification, assay, and imaging.
- Apr 2020Series C$34M
#10
Acqui-Hired · Irvine, California · founded 2006 · 19 employees$8Mraised▾
Cosemi Technologies is a manufacturer of optical components. Its products include photodiodes, active optical cable (AOC), and optical sub-assemblies (OSA). It offers its products for use in various applications that range from ultra-high volume consumer electronics and fiber-to-the-home applications to ultra-high-speed 40G and 100G systems that are required in the telecom/data center connections.
#11
Series A · Irvine, California · founded 2015 · 18 employees$8.4Mraised▾
Xidas is a manufacturer of semiconductors, sensors, and 3D micro-devices. The company offers products such as micro relay, micro force sensor, vibration-based perpetual battery, implantable zero-power sensor, and microfluidic in-line pressure sensor. It can be used in life-tech, industrial, and IoT purposes.
- May 2019Grant (prize money)$750K
- May 2019Series A$6M
- Mar 2019Seed$2.4M
- Nov 2016Seed—
#12
Acquired · Irvine, California · founded 2000$31Mraised▾
Provider of technology resources and information. This entity offers access to a curated collection of technology-related materials. It maintains a website with categorized content and provides links to relevant resources. The site includes standard website features such as a contact page, sitemap, and legal disclaimers. The focus is on providing readily accessible information within the technology sector.
- Sep 2004Series C$21M
- Oct 2001Series A$10M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Semiconductors coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Irvine researches in semiconductors
- University of California, Irvine36
- Irvine University3
- Irvine Sensors3
- UC Irvine Health2
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.