Best Internet of Things Infrastructure Companies in San Diego, United States
The 42 best Internet of Things Infrastructure companies in San Diego, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Ingenu.
Our analysis of 50 Internet of Things Infrastructure companies
$10.3b in tracked funding; 83% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Internet of Things Infrastructure companies in San Diego
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Ingenu Provider of RPMA-based connectivity solutions for IoT applications | $101M | 133 mo ago | 77 | — | Master SliderSlider RevolutionWordPress+29 | 18 patents Mobile roaming management, heterogeneous access control, power optimization, synchronized AP timing | — |
| 2 | Entropic Innovating cable and satellite technology with foundational patents and widespread use | $71M | 247 mo ago | 209 | — | — | 2 patents Converting organic waste into biofuels and chemicals | — |
| 3 | Sateliot Operator of a narrowband IoT network using satellite connectivity 48Funding top 18%Talent top 38%Tech top 40%Moat top 42% All 8 signals ▾Fundingtop 18% Talenttop 38% Techtop 40% Moattop 42% Growthbottom 47% Globalbottom 38% Marketbottom 37% Newsbottom 35% Funding: Raised $66.9M across 10 rounds · 10 rounds over 5 yrs (2.0/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 48/100 | $67M | 4 mo ago | 34 | Albert Gurgui Co-Founder & CIO | WordPressPleskMySQL+27 | — | — |
| 4 | QuantalRF Provider of IoT based RF receiver architectures | $34M | 52 mo ago | 13 13 → 17 (+31%) | Forrest Brown Co-Founder | — | 15 patents Integrated RF front‑end filtering and amplification with envelope‑tracking bias control for wireless communications | — |
| 5 | Airgain Provider of wireless connectivity solutions including modems, antennas, and asset trackers | $22M | 206 mo ago | 74 | James Sims CEO | WordPressApple iCloud MailMicrosoft 365+32 | 407 patents Patents concentrated in electrical & electronics | — |
| 6 | UBILITE Provider of ultra-low power Wi-Fi chipsets for IoT applications | $17M | 93 mo ago | 3 | — | Webflowcore-jsjQuery+10 | 10 patents Low-power communication device power management and switchless radio front‑end design. | — |
| 7 | Proximetry IoT device management solutions simplifying and automating key aspects of device management | $17M | 120 mo ago | 4 | — | — | 28 patents Patents concentrated in electrical & electronics | — |
| 8 | Sensemetrics Provides sensor management and data analytics | $10M | 92 mo ago | 24 | — | — | — | — |
| 9 | AgilePQ Developer of cryptographic solutions for communication between connected devices | $6M | 104 mo ago | 9 | Paul Clayson CEO | — | 30 patents Secure data packaging, conversion, and recovery for telecom network communications | — |
| 10 | Orca Systems Fabless semiconductor company specializing in low-power RF and mixed-signal SoC solutions | $5M | 180 mo ago | 13 | — | — | — | — |
| 11 | Atlazo Cloud-based IoT application development platform | $3M | 86 mo ago | 19 | — | — | 18 patents Patents concentrated in electrical & electronics | — |
| 12 | EdgeX Provider of AI and cloud-based edge and IoT development middleware | $2M | 45 mo ago | — | Timothy Gibbons CEO | — | — | — |
| 13 | nPhase Provides M2M and IOT Solutions and Service Delivery Platform | $2M | 128 mo ago | 13 | — | — | 9 patents Patents concentrated in electrical & electronics | — |
| 14 | Ectron Provider of industrial sensors, edge computing, and IoT solutions and services | $515K | 70 mo ago | 13 | Earl Cunningham Founder | — | — | — |
| 15 | Olympus Sky Secure content management for the connected vehicle & IoT | $500K | 130 mo ago | 8 | Barton Shields Co-Founder & CTO | — | — | — |
| 16 | Avimesa Cloud & device licensing solutions for IoT applications | $265K | 106 mo ago | 5 | — | — | — | — |
| 17 | SuperMEM Provider of AI-based memory chips for IoT devices | $250K | 64 mo ago | — | Chieh Yu Lin Co-Founder | — | 22 patents Error‑correcting high‑performance memory architectures for data‑intensive computing systems | — |
Top 12 Internet of Things Infrastructure companies in San Diego
#1
Series C · San Diego, California · founded 2018 · 34 employees$66.9Mraised▾
Operator of a narrowband IoT network using satellite connectivity. The company provides network access for connecting IoT devices in remote areas. It offers services to enhance IoT solutions for various applications. The company focuses on enabling connectivity through its satellite constellation. It aims to support informed decision-making in strategic and regulatory challenges.
- Mar 2025Conventional Debt$15M
- Mar 2025Series B$10.8M
- Dec 2024Conventional Debt$31.5M
- Sep 2024Series B$33.5M
#2
Acquired · San Diego, California · founded 2008 · 77 employees$101.1Mraised▾
Provider of RPMA-based connectivity solutions for IoT applications. It offers low-power wide area scalable sensor networking and location tracking solutions. Its Total Reach Network (OTR) solution is a wireless system aimed at device monitoring, smart grid and asset tracking in metro-scale and other difficult radio propagation environments. Its areas of applications include industrial sensor networking, AMR, building monitoring, energy management, and real-time location tracking.
- Jul 2015Series D$5M
- Oct 2014Series D$550K
- Apr 2014Series D$38.7M
- Jul 2013Series C$31M
#3
Series C · San Diego, California · founded 2008 · 13 employees$34.2Mraised▾
QuantalRF provides IoT-based RF receiver architectures. The wireless RF circuit leverages quantal technology to provide building automation, asset management, advanced metering, and other solutions. The company claims to deliver improvements in weak signal reception, power consumption and cost when compared with other RF architectures.
- Apr 2022Series C$15M
- Dec 2020Series B$19.2M
- Aug 2014Series A$14M
#4
Acquired · San Diego, California · founded 2001 · 209 employees$71Mraised▾
Innovating cable and satellite technology with foundational patents and widespread use. The company's rich patent portfolio stems from years of research and development, providing foundational technology for the cable and satellite television industries. Their inventions revolutionized signal delivery to customer homes, signal distribution within homes, and critical information feedback to providers. These innovations are utilized by virtually every satellite and cable provider to deliver enhanced and expanded services, increasing revenue and reducing costs. The portfolio covers various aspects of satellite and cable services and home networking, including Multimedia over Coax Alliance technology. They offer licensing opportunities for their technology.
- Jan 2006Series C$25M
- Oct 2003Series B$29M
- Series A$17M
#5
Public · San Diego, California · founded 1995 · 74 employees$21.9Mraised▾
Provider of wireless connectivity solutions including modems, antennas, and asset trackers. The company offers embedded modems, cellular IoT solutions, and development kits. Internal, external, fleet, and IoT antennas are available, as well as private networks and accessories. Asset trackers and related devices are part of the product line. The company provides solutions for industrial, consumer, fleet, enterprise, energy, medical, transportation, agriculture, services, and public safety markets.
- Jun 2009Series C$1.9M
- Jun 2008Series C$2.4M
- Mar 2007Series C$6.8M
- Mar 2006Series B$4.1M
#6
Acquired · San Diego, California · founded 2005 · 4 employees$17.3Mraised▾
IoT device management solutions simplifying and automating key aspects of device management. The company delivers software solutions that manage critical things in the Internet of Things (IoT) and related system applications in Transportation, Manufacturing, Energy, Smart Cities & Utilities. The solutions support performance-critical, connected devices whether they’re located in the heart of a city or at the far reaches of the Internet fog. The company offers device management capabilities, seeking to open up new possibilities for IoT solution providers. The software solution simplifies and automates the five key aspects of IoT device management: Discover, Monitor, Enhance, Upgrades, and View. The company's Portal is a resource available to IoT solution vendors for initial deployment and testing of their applications and devices. The company's IoT Device Management is available as a tailor-made private cloud or data center enterprise installation.
- Aug 2016Series A$3.8M
- Oct 2011Series A$1.8M
- Jun 2010Series A$792K
- Oct 2009Series A$983K
#7
Series A · San Diego, California · founded 2014 · 3 employees$17.5Mraised▾
Ubilite is a provider of ultra-low power Wi-Fi chipsets for IoT applications. The company offers a WLAN Silicon on Chip (SoC) that uses coin cell solid-state or printed batteries along with energy harvesting. The company claims that the SoC is built on an RF Baseband & MAC architecture and operates with 10x better power consumption than others. Features a DC-DC converter supporting a multitude of power sources, wake up radio, integrated power management, sensing and control interface capabilities. The chip supports IPv4/ IPv6 network protocols and also provides power management solutions. Use cases are in the areas of asset tracking, targeted marketing, human tracking, smart grid, healthcare monitoring, home automation, lighting control, and more.
- Nov 2018Series A$12M
- Oct 2016Series A$5.5M
#8
Acquired · San Diego, California · founded 2013 · 24 employees$10.3Mraised▾
Sensemetrics provides management services to distributed sensor networks. Its technology solutions have seen enterprise level applications in industries like Infrastructure, Mining, Oil & Gas, and Construction. It provides support for sensors with functionalities like Spatial, Environmental, Structural, Geotechnical, etc. Its customers include Shell, Newmont, SDGE, Aecom, Malcolm, etc.
- Dec 2018Series A$10M
- Nov 2015Seed$300K
#9
Seed · San Diego, California · founded 2018$2.1Mraised▾
Provider of AI and cloud-based edge and IoT development middleware
#10
Series A · San Diego, California · founded 2015 · 9 employees$5.6Mraised▾
Developer of cryptographic solutions for communication between connected devices
- Dec 2017Series A$5.6M
#11
Series A · San Diego, California · founded 2006 · 13 employees$5Mraised▾
Fabless semiconductor company specializing in low-power RF and mixed-signal SoC solutions. It focuses on designing, developing, testing, and manufacturing RF ICs, RF IPs, mixed-signal ASICs, and RF-based SoC integrated circuits. The company offers custom RF, analog, and mixed-signal SoC design services for ISM band and L-band applications, along with ultra-low-power digital ASIC design for IoT gateway applications. It also provides ISM Band RF Transceiver IP, including Bluetooth Low Energy (BLE) and Zigbee Transceiver IP Cores optimized for SoC integration. The company's expertise extends to integrating RF, analog, PMU, digital logic, baseband and applications processors, security features, and memory. It caters to the IoT semiconductor market with a portfolio of always-live wireless connectivity solutions, enabling global asset tracking, monitoring, and location services.
- Aug 2011Series A$5M
#12
Seed · San Diego, California · founded 2016 · 19 employees$3.4Mraised▾
Atlazo provides a cloud-based platform to enable IoT application development across different industry verticals. Claims to boost efficiency and enable a range of smart application through its platform. Among the 2017 batch of 15 startups which are part of the EvoNexus Tech Incubator.
- Jun 2019Seed$3.4M
- Nov 2016Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Internet of Things Infrastructure coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Internet of Things is moving in the United States
A read on the academic research around Internet of Things — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 5,209 United States-affiliated papers.
- Northeastern University115
- ASA College91
- Saint Joseph's College77
- Purdue University West Lafayette72
- Film Independent72
- Scalability22→265
- Wireless45→271
- Computer security23→248
- Embedded system9→159
- Wireless sensor network171→318
- Computer security9→144
- Key (lock)5→135
- Wireless37→141
- Cloud computing12→106
- Embedded system5→99
- Key (lock)16→68
- Computer security47→96
- Cloud computing14→59
- Big data9→41
- Software deployment14→39
Where iot 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 iot patents in the United States
United States iot patent filing is cooling — 369,375 filings from 8,000 assignees (2016–2025), led by Qualcomm, IBM, Microsoft; annual filings 39513→23806.
- Qualcomm51986
- IBM27040
- Microsoft24209
- Intel18299
- Apple15099
- Google14743
- Cisco10414
- AT & T IP I8075
Common questions
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