Best High Tech Companies in Campbell, United States
The 36 best High Tech companies in Campbell, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: WEKA.
Our analysis of 306 High Tech companies
$95.7b in tracked funding; 95% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best High Tech companies in Campbell
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | WEKA 🦄 Developer of infrastructure designed for accelerated compute and artificial intelligence | $412M | 28 mo ago | Series E | 338 | Liran Zvibel Co-Founder & CEO | WordPressSentryAtlassian Statuspage+55 | — | 1 launch |
| 2 | Vital Connect Developer of biosensor patch for body vitals monitoring 64Product top 18%Funding top 21%Moat top 26%Patents top 32% All 11 signals ▾Producttop 18% Fundingtop 21% Moattop 26% Patentstop 32% Talenttop 34% Innovationtop 36% Growthtop 43% Techtop 45% Markettop 49% Globalbottom 47% Newsbottom 18% Product: 6 distinct product lines · Company stage: Series G Funding: Raised $140M across 8 rounds · 8 rounds over 15 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 64/100 | $140M | 18 mo ago | Series G | 184 184 → 199 (+8%) | Nersi Nazari Founder | WordPressMySQLPHP+26 | 239 patents Wearable physiological sensor systems for continuous vital sign monitoring and analytics | — |
| 3 | Celona Cloud-based wifi infrastructure connectivity management software provider 67Innovation top 18%Tech top 20%Patents top 21%Moat top 26% All 11 signals ▾Innovationtop 18% Techtop 20% Patentstop 21% Moattop 26% Fundingtop 28% Talenttop 28% Newstop 31% Producttop 45% Marketbottom 47% Globalbottom 42% Growthbottom 35% Innovation: 183 patents (top 12% of patent-holders) · 155 filings since 2022 vs 28 in 2017-21 Tech: 55 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Ses rank vs industry peers · Fliar Intelligence Index 67/100 | $135M | 31 mo ago | Series C | 110 | Ravi Mulam Co-Founder | WebflowApple iCloud MailSalesforce+37 | 183 patents Patents concentrated in electrical & electronics | — |
| 4 | Atmosic Developer of Bluetooth modules for short-range wireless communication applications 69Innovation top 23%Funding top 25%Product top 29%Moat top 31% All 9 signals ▾Innovationtop 23% Fundingtop 25% Producttop 29% Moattop 31% Growthtop 32% Talenttop 35% Techtop 42% Marketbottom 44% Globalbottom 32% Innovation: 5 product lines · Deep-tech classification: Tech Hardware Funding: Raised $122M across 3 rounds · 3 rounds over 9 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 69/100 | $122M | 18 mo ago | Series D | 80 | David Su Co Founder | WordPressMySQLPHP+26 | — | — |
| 5 | Firetide Wireless broadband mesh infrastructure | $44M | 203 mo ago | Acquired | 94 | — | — | 191 patents Optimizing channel allocation and context-aware roaming in wireless mesh networks | — |
| 6 | Ascenium Developer of general-purpose accelerator technology designed to improve data center efficiency | $36M | 58 mo ago | Series B | 15 | Pete Foley CEO & President | — | 94 patents Patents concentrated in computing, sensing & instrumentation | — |
| 7 | Hercules Provider of AI platform automating data extraction and workflow verification | $26M | 26 mo ago | Series B | — | Alex Babin Co-Founder & CEO | Wix eCommerceWixSentry+20 | 2,295 patents Formulating agricultural chemicals and polymer dispersions/thickeners for crop and industrial use. | — |
| 8 | Oxmiq Developer of hardware and software for GPU re-architecting and acceleration | $20M | 13 mo ago | Seed | — | Raja Koduri Founder & CEO | — | — | — |
| 9 | TWO Developer of artificial reality-based immersional AI experiences | $20M | 55 mo ago | Series B | 15 | Pranav Mistry Co-Founder & CEO | FirebaseKaTeXApple Sign-in+10 | — | — |
| 10 | BabbleLabs Provider of speech enhancement technologies for enterprises | $18M | 87 mo ago | Acqui-Hired | 15 | — | — | 13 patents AI-driven audio and radio signal enhancement for communication and conferencing systems | — |
| 11 | Rulai Conversational AI automation platform for frictionless customer and employee experiences | $13M | 111 mo ago | Series A | 17 | — | WordPressMySQLPHP+19 | 10 patents AI-driven conversational agents and virtual assistant platforms | — |
| 12 | Atrua Technologies Develops mobile touch technology | $13M | 223 mo ago | Series D | — | Carson Zhou ex-CEO | — | 39 patents Advanced fingerprint biometric sensing, anti-spoofing, and secure miniature input device technologies | — |
| 13 | Relay Robotics Manufacturer of a delivery robot for hotels | $10M | 52 mo ago | Series A | 54 | Wade Pfeiffer CEO | WordPressMySQLPHP+22 | — | — |
| 14 | ConnectedYard Sensor-based pool water pH monitoring device | $9M | 117 mo ago | Acqui-Hired | 50 | Mark Janes Chief Operations Officer And Co-Founder | — | 13 patents Real-time chemical monitoring devices for soil and environmental analysis | — |
| 15 | SenseHawk Provider of a unified platform for solar project lifecycle management | $7M | 72 mo ago | Acquired | 25 | Rahul Sankhe President & Co-founder | Framer SitesApple iCloud MailGoogle Workspace+19 | — | — |
| 16 | Virtuous AI Platform to develop and deploy artificial intelligence solutions | $7M | 31 mo ago | Series A | 5 | Rory D. Founder & CTO | WebflowShareThisMailgun+17 | 13 patents AI platforms for media generation, ethical AI development, and moral insight prediction | — |
| 17 | DeGirum Provider of a cloud-based edge solution for processing AI applications | $6M | 29 mo ago | Series A | 22 22 → 28 (+27%) | Shashi Kiran Chilappagari Co-Founder | Three.jsReactCaddy+10 | 63 patents High‑performance matrix multiplication hardware and ring‑based interconnects for AI accelerators | — |
| 18 | Summer Robotics Provider of an AI-enabled visual inspection software for robots | $4M | 11 mo ago | Series A | 8 | Dirk Smits Co-Founder | Cart FunctionalitySquarespace CommerceSquarespace+14 | 48 patents Patents concentrated in computing, sensing & instrumentation | — |
| 19 | Vivalink Provider of wearable sensors and digital health solutions for monitoring | $2M | 34 mo ago | Seed | 8 | Jiang Li Founder & CEO | HubSpot CMS HubIsotopeOWL Carousel+13 | — | — |
| 20 | NimbleHeart Reimagining cardiac care with wearable exercise ECG telemetry and risk assessment | $360K | 155 mo ago | Seed | 5 | — | — | 4 patents Wearable ECG signal acquisition: noise/artifact reduction and BLE data streaming. | — |
Top 12 High Tech companies in Campbell
#1
Series G · Campbell, California · founded 2011 · 184 employees$139.9Mraised▾
Developer of biosensor patch for body vitals monitoring. Its biosensor patch measures multiple parameters including heart rate, heart rate variability, respiratory rate, single-lead ECG, skin temperature, body posture, fall detection, and activities like step counting. It has applications for use in hospitals, homes, research facilities, HCPs, and care facilities.
- Feb 2025Conventional Debt—
- Feb 2025Series G$100M
- Jul 2023Series F$30M
- Sep 2022Series D—
#2
Series D · Campbell, California · founded 2016 · 80 employees$121.5Mraised▾
Developer of Bluetooth modules for short-range wireless communication applications. It designs and develops ultra-low power wireless solutions to reduce the dependency on batteries for IoT. Its chief offering comprises a series of Bluetooth 5 standard-compliant modules that comes with lower power radio, on-demand wake-up, and controlled energy harvesting features. It has applications in the areas of wearables, personal and asset trackers, beacons, remotes, location devices, keyboards, and mice.
- Mar 2025Series D$40M
- Jan 2022Series C$72M
- Dec 2019Series B$28.5M
- 2017Series A—
#3
Seed · Campbell, California · founded 2023$20Mraised▾
Developer of hardware and software for GPU re-architecting and acceleration. The company focuses on uniting throughput with workload versatility through open standards and modular computing. Its silicon IP aims to foster innovation, and its software stack supports high-level languages. The company's hardware and software are designed to power connected agents.
- Aug 2025Seed$20M
#4
Series A · Campbell, California · founded 2019 · 8 employees$4.2Mraised▾
Provider of an AI-enabled visual inspection software for robots. It provides visual perception power to robots for improving interaction with their environment. It uses computer vision technology to analyze images or videos.
- Sep 2025Series A$2M
- Aug 2023Series A$750K
- Aug 2022Series A$3.4M
#5
WEKA 🦄Series E · Campbell, California · founded 2013 · 338 employees$411.7Mraised▾
Developer of infrastructure designed for accelerated compute and artificial intelligence. The company provides a storage system built for speed, flexibility, and efficiency. It transforms data infrastructure to provide an advantage in artificial intelligence. The company offers products that fuel artificial intelligence at scale and provide GPU-native artificial intelligence storage.
- May 2024Series E$100M
- Nov 2022Series D$135M
- Jan 2022Series D$73M
- May 2019Series C$31.7M
#6
Series C · Campbell, California · founded 2019 · 110 employees$134.8Mraised▾
Cloud-based wifi infrastructure connectivity management software provider. It offers features such as wireless SLA, range performance management, network sensitivity management, IoT ready coverage, rate-range characteristics, infrastructure management, secure interfaces, and cell edge performance.
- Feb 2024Series C$34.8M
- Jan 2022Series C$60M
- Oct 2020Series B$30M
- Sep 2019Series A$10M
#7
Series B · Campbell, California · founded 2014$26Mraised▾
Provider of AI platform automating data extraction and workflow verification. The platform transforms unstructured documents into business information, ensuring transaction accuracy. It translates business logic into programmatic code, verifying data and reconciling numbers across systems. The platform flags discrepancies before execution, providing audit-ready outputs for billing, settlement, and reporting.
- Jul 2024Series B$27.9M
#8
Series A · Campbell, California · founded 2020 · 5 employees$7.2Mraised▾
Platform to develop and deploy artificial intelligence solutions. Its encoders and decoders eliminate noise and uncertainties in AI models. It offers privacy controls and fine-grained access controls to prevent data leakage. It caters to healthcare, manufacturing, medical testing and diagnosis, agriculture, cybersecurity, and more.
- Jan 2024Series A$4.2M
- Apr 2023Seed$1.5M
- Jun 2022Seed$3M
#9
Series A · Campbell, California · founded 2020 · 22 employees$6Mraised▾
Developer of artificial intelligence hardware and software infrastructure designed to accelerate the adoption of AI at the edge. The company's platform brings hardware, model, and application developers providing rapid development and deployment of edge AI applications, enabling engineers to access the evaluation process and reducing the time and cost of developing and deploying AI applications.
#10
Series B · Campbell, California · founded 2000 · 15 employees$36.4Mraised▾
Developer of general-purpose accelerator technology designed to improve data center efficiency. The company focuses on creating solutions that address challenges related to energy consumption and performance limitations in computing. Its technology aims to provide improvements for data center workloads. The company designs its technology to allow management and control of performance, energy cost and carbon footprint.
- Nov 2021Series B$20M
- Jul 2021Series A$16M
- Jun 2017Seed$370K
#11
Series B · Campbell, California · founded 2018 · 15 employees$20Mraised▾
Developer of artificial reality-based immersional AI experiences. It uses technology like conversational AI and the metaverse for the development of immersive experiences for enterprises.
- Feb 2022Series B$20M
#12
Seed · Campbell, California · founded 2014 · 8 employees$1.5Mraised▾
Provider of wearable sensors and digital health solutions for monitoring. The company offers devices for ambulatory cardiac monitoring and remote patient care. It develops software for arrhythmia detection and a biometrics data platform. The company provides solutions for clinical trials, including cardiac safety assessment and adverse event monitoring.
- Nov 2023Seed—
- Mar 2020Seed$40K
- Sep 2019Grant (prize money)$299.8K
- May 2014Seed$1.5M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of High Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Semiconductors is moving in the United States
A read on the academic research around Semiconductors — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 8,739 United States-affiliated papers.
- Georgia Institute of Technology489
- IMEC343
- Intel325
- Purdue University West Lafayette218
- Industrial Technology Research Institute177
- Photonics56→121
- Photonic integrated circuit49→81
- Artificial neural network3→29
- Detector25→48
- Scalability53→73
- Photonics45→59
- Artificial neural network2→14
- Rapid single flux quantum2→12
- Detector20→29
- Image sensor2→11
- Photonics10→28
- Hardware security module6→13
- Thermal10→16
- Automotive industry2→8
- Photonic integrated circuit9→14
Where semiconductors is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing semiconductors patents in the United States
United States semiconductors patent filing is cooling — 112,775 filings from 8,000 assignees (2016–2025), led by IBM, Applied Materials, Intel; annual filings 11572→7675.
- IBM19691
- Applied Materials13119
- Intel11689
- Micron Technology10011
- Texas Instruments4804
- LAM RES4667
- Sandisk Technologies3051
- Qualcomm2897
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.