Best Semiconductors Companies in Wisconsin, United States
The 64 best Semiconductors companies in Wisconsin, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Alfalight.
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 Wisconsin
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alfalight Manufacturer of diversified diode lasers | $68M | 183 mo ago | Acqui-Hired | — | 1998 | — | 10 patents High‑efficiency semiconductor laser diodes and compact optical disruption devices. | — |
| 2 | SoftSwitching Technologies Voltage Sag Protectors | $26M | 190 mo ago | Deadpooled | — | 1996 | — | — | — |
| 3 | Allergy Amulet Developer of a portable food allergen sensor for sample detection 42Moat top 31%Tech top 33%Growth top 35%Funding top 40% All 10 signals ▾Moattop 31% Techtop 33% Growthtop 35% Fundingtop 40% Producttop 46% Talentbottom 49% Innovationbottom 47% Patentsbottom 35% Globalbottom 31% Marketbottom 27% Moat: Editorial + unicorn rating 7/10 · IP moat: 11 patents Tech: 38 technologies across 4/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 42/100 | $13M | 22 mo ago | Series A | Joseph BelBruno Co-Founder | 2016 | Squarespace CommerceSquarespaceProton Mail+30 | 11 patents Electrochemical sensors for detecting food allergens via electropolymerized detection layers. | — |
| 4 | Scanalytics Provider of sensor-based retail analytics 27AI top 15%Moat top 31%Product top 43%Funding top 48% All 11 signals ▾AItop 15% Moattop 31% Producttop 43% Fundingtop 48% Talentbottom 49% Innovationbottom 48% Patentsbottom 48% Globalbottom 37% Techbottom 30% Newsbottom 27% Marketbottom 21% AI: Holds AI/ML patents (G06N-family CPC) Moat: Editorial + unicorn rating 7/10 · IP moat: 13 patents rank vs industry peers · Fliar Intelligence Index 27/100 | $3M | 14 mo ago | Seed | Joe Scanlin Co-Founder/Chief Executive Officer | 2012 | — | 13 patents Smart floor sensor analytics for occupancy, health monitoring, and building automation. | — |
| 5 | NanoAffix Develops sensors for detection of water quality | $3M | 24 mo ago | Funding Raised | Junhong Chen Founder & CEO | 2010 | — | — | — |
| 6 | Wi2Wi Provider of a location tracking platform 32Product top 14%Funding top 39%Moat top 45%Growth top 48% All 10 signals ▾Producttop 14% Fundingtop 39% Moattop 45% Growthtop 48% Globalbottom 49% Talentbottom 49% Innovationbottom 45% Marketbottom 40% Patentsbottom 29% Techbottom 23% Product: 9 distinct product lines · Company stage: Public Funding: Raised $2.2M across 4 rounds · 4 rounds over 2 yrs (2.0/yr) rank vs industry peers · Fliar Intelligence Index 32/100 | $2M | 10 mo ago | Public | Zachariah J Mathews CEO & President | 2005 | JoomlaPHPBootstrap+7 | 3 patents Integrated circuit package reliability: ESD protection, built‑in self‑test and self‑repair. | — |
| 7 | Metria Innovation Developer of a phase tracking system with a single camera for 3D measurements | $2M | 180 mo ago | Deadpooled | Brian Armstrong CEO & President | 2008 | — | — | — |
| 8 | SonoPlot Microplotter systems for printed electronics and life science applications | $424K | 202 mo ago | Seed | Kirk Hogan Co-Founder | 2003 | Cart FunctionalitySquarespace CommerceSquarespace+20 | 2 patents Sensors for detecting user interaction with physical objects | — |
| 9 | Dirac Labs Provider of quantum sensor for subterranean exploration | $410K | 13 mo ago | Seed | Sanket Deshpande Co-Founder | 2023 | Framer SitesReactMicrosoft Clarity+6 | 8 patents Patents concentrated in computing, sensing & instrumentation | 1 partnership |
Top 10 Semiconductors companies in Wisconsin
#1
Public · Madison, Wisconsin · founded 2005 · 45 employees$2.2Mraised▾
Provider of a location tracking platform. Its products include wireless connectivity solutions, such as Wi-Fi/Bluetooth/Bluetooth Low Energy, location and navigation products including GNSS and GPS modules; timing and frequency control products such as clock oscillators, crystals, crystal filters, and RF and microwave filters. Applications are in the areas of avionics, space, military, defence, government, infrastructure, industrial, automotive, medical, communications etc. Technology partners include ASE group, STMicroelectronics, and IAR Systems.
- Jul 2025Post IPO$510.8K
- Feb 2025Post IPO$667.4K
- Dec 2024Post IPO$417.4K
- Nov 2024Post IPO$600K
#2
Seed · Milwaukee, Wisconsin · founded 2012 · 7 employees$3.1Mraised▾
Provider of sensor-based retail analytics. It measures the physical movements of individuals in retail establishments using its specially developed Solesensor mat by accurately tracking the footfall in stores, allowing businesses to maximize customer engagements, predict patterns, increase customer retention, and measure in-store conversions.
- Apr 2025Grant (prize money)$2.1M
- May 2018Conventional Debt$533K
- Mar 2017Conventional Debt$200K
- 2016Seed$2.5M
#3
Series A · Madison, Wisconsin · founded 2016 · 18 employees$12.6Mraised▾
Developer of a portable food allergen sensor for sample detection. The device allows users to test food samples for the presence of allergenic ingredients. It is designed to detect allergens at levels that could trigger reactions. The sensor pairs with an application to track results.
- Aug 2024Series A$5.8M
- Jan 2022Grant (prize money)—
- Mar 2021Seed$800K
- Aug 2020Seed$3.3M
#4
Seed · Madison, Wisconsin · founded 2023$410Kraised▾
Provider of quantum sensor for subterranean exploration. The company is focused on revolutionizing underground resource exploration by using quantum sensors to detect mineral deposits and more than traditional methods. It is deep-tech startup creates diamond NV-center magnetometers for autonomous vehicles, drones, underwater robots, and indoor positioning—spoof-proof alternative to satellite navigation.
- May 2025Seed$410K
#5
Funding Raised · Wauwatosa, Wisconsin · founded 2010 · 7 employees$2.6Mraised▾
NanoAffix has developed sensors for detecting the quality of water through patent-pending technology. The sensor is primarily a FET device with a Graphene oxide sensing channel and specific molecules acting as probes. The technology acts as an electronic sensing platform that can be used for the detection of various contaminants in water. The sensor is currently in a working prototype stage.
- Jun 2024Grant (prize money)$300K
- Jun 2024Grant (prize money)$293.8K
- Sep 2020Grant (prize money)—
- Aug 2017Grant (prize money)$1.5M
#6
Acqui-Hired · Madison, Wisconsin · founded 1998 · 26 employees$68.3Mraised▾
Manufacturer of diversified diode lasers. It designs, develops, and manufactures rugged laser and electro-optical systems for defense, aerospace, and security applications. Its products and embedded electro-optical modules include precision short-wave infrared, near infrared, and visible lasers. It also offers rugged prototypes, which include a tripod-mounted system, a battery operated and handheld brassboard integrating with temperature range green lasers and rangefinders, and an infrared diode laser, embedded subsystems that combines multiple co-aligned lasers and end-user products, such as rifle-mounted green lasers and handheld/rifle-mounted infrared lasers.
- Mar 2011Series C—
- Aug 2008Series C$2.5M
- Aug 2005Series C$7M
- May 2003Series C$9.5M
#7
Deadpooled · Middleton, Wisconsin · founded 1996 · 54 employees$26.1Mraised▾
SoftSwitching Technologies offer the most affordable, effective and scalable power quality and monitoring solutions available on the market. SoftSwitching Technologies' solutions improve uptime in manufacturing production by identifying and correcting brief power disruptions called “voltage sags.” Typically, voltage sags can cause computerized machinery to go off-line, precision instruments to fail, and control systems to shut down.
- Aug 2010Series C$3M
- Mar 2002Series C$17M
- Jul 2000Series B$6.2M
#8
Deadpooled · Wauwatosa, Wisconsin · founded 2008$1.9Mraised▾
Developer of a phase tracking system with a single camera for 3D measurements. The technology uses the application of an optical moiré pattern, aiming to provide a true 3D measurement with a single camera. The technology has applications in 3D animations, industrial ergonomics, sports biomechanics, medical technology, and robotics.
- Jun 2011Grant (prize money)$1.7M
- May 2011Grant (prize money)$215.4K
#9
Seed · Milwaukee, Wisconsin · founded 2003 · 4 employees$424.5Kraised▾
Microplotter systems for printed electronics and life science applications. They design and sell materials dispensing systems capable of drawing features at a microscale. Their patented ultrasonic dispensing technology enables the deposition of a wide range of materials, including solutions containing graphene, carbon nanotubes, nanoparticles, and polymers. This technology allows printing inks with various viscosities without extensive tuning. Integrated digital video and precise positioning allow for accurate alignment and dispensing on substrates. Their systems are used in advanced materials research for next-generation applications, printing conductive electronic traces, sensor applications, mass spectrometry enhancement, LED printing, protein spotting for microarray assays, catalyst deposition for carbon nanotube growth, and DNA spotting for microarray fabrication. They offer solutions for printed electronics, next-generation electronics, DNA & proteomics, and sensor applications.
- Aug 2009Seed$424.5K
#10
Funding Raised · Germantown, Wisconsin · founded 2022 · 60 employees—raised▾
Manufacturer of electronic controls and heating systems for industrial applications. Products include interface controls for motion furniture, temperature regulation systems for climate control, and flexible heating components. These systems support equipment used in residential, marine, agricultural, and healthcare settings. The hardware facilitates automated control and thermal management across various mechanical and electrical platforms.
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
How research on Semiconductors in Wisconsin is moving
A read on the academic research around Semiconductors in Wisconsin — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 47 papers.
- University of Wisconsin–Madison42
- University of Wisconsin–Milwaukee2
- Wisconsin Institutes for Discovery1
- University of Wisconsin–Platteville1
- Wisconsin Parkinson Association1
- Optoelectronics4
- Electronic circuit3
- Amplifier2
- Key (lock)2
- Silicon2
- Semiconductor device4
- Optoelectronics4
- Integrated circuit4
- Overhead (engineering)3
- Automatic test pattern generation3
- Electronic circuit1
- CMOS1
- Power consumption1
- Image sensor1
- Electrical efficiency1
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.