Best Environment Tech Companies in Arizona, United States
The 74 best Environment Tech companies in Arizona, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Lessen.
Our analysis of 83 Environment Tech companies
$16.0b in tracked funding; 90% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment Tech companies in Arizona
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | AIRLIB Smartphone app for traffic pollution mapping | — | — | 6 | Paolo Taddonio Co-Founder | — | 5 patents Vehicle cabin air quality monitoring and sensor calibration for automotive emissions | — |
| 2 | Algaecake Photobiorector for cultivation of algae | — | — | — | Benjamin O'Toole Co-Founder | — | — | — |
| 3 | AMKA Provider of pipeline assessment, rehabilitation, and related products and services | — | — | — | Matthieu V Bras Droit du CEO | — | — | — |
| 4 | boho camper vans Boho Camper Vans builds, rents and sells camper vans out of their operations in Tempe, Arizona. | — | — | 26 | — | SquarespaceCart FunctionalitySquarespace Commerce+31 | — | — |
| 5 | Carbon Utility Technology solution for carbon capture | — | — | — | Jay Foster Co-Founder & CEO | — | — | — |
| 6 | CIRQ+ IoT-enabled hardware product for electrical automation in hotels | — | — | — | Jodi Deros CMO / Co-Founder | — | — | — |
| 7 | Darimpo SaaS & App-based maintenance and management for buildings | — | — | — | Eyal Lavie CEO | WordPressMySQLPHP+18 | — | — |
| 8 | Dynamic Water Technologies Provider of electrochemical systems for cooling tower and process water treatment | — | — | — | — | — | — | — |
Top 12 Environment Tech companies in Arizona
#1
Series C · Mesa, Arizona · founded 2020 · 295 employees$170.7Mraised▾
Provider of carbon accounting and sustainability management platform for businesses. The platform offers tools for carbon footprint measurement, analytics, and sustainability reporting. It supports regulatory emissions reporting, stakeholder emissions reporting, and decarbonization management. The platform also provides features for scope 3 supplier engagement and financed emissions accounting. It includes AI-powered capabilities for anomaly detection and emission factor mapping.
- Apr 2026Series C$4.3M
- Apr 2025Series C$23M
- Aug 2023Series C$52.7M
- Oct 2021Series B$101M
#2
Series D · Scottsdale, Arizona · founded 2015 · 109 employees$238.9Mraised▾
Manufacturer of solar powered systems that extract water from air. These systems utilize atmospheric water vapor to produce liquid water. The technology employs solar energy to convert vapor into a liquid state, which is then mineralized for consumption. The resulting water is stored within the unit until it is dispensed for use. These systems are designed for residential, community, and commercial applications.
- Feb 2025Series D$19.3M
- Jul 2022Series D$130M
- Apr 2022Series D$108.9M
- Jun 2020Series C$50M
#3
Acquired · Tempe, Arizona · founded 2013 · 26 employees$26.2Mraised▾
Manufacturer of silicon photovoltaic products designed for space-based solar power. These products offer radiation-hardened solutions engineered for optimal performance in space environments. The company provides flexible solar power modules that can be integrated with various solar array deployment systems. Integrated solar power modules are also available for spacecraft installation.
- May 2025Series A$17M
- Sep 2024Series A$15.1M
- Oct 2022Seed$11.2M
- Aug 2021Grant (prize money)$999.8K
#4
Public · Tempe, Arizona · founded 1999 · 6700 employees$21.7Mraised▾
Provider of cadmium telluride-based flexible solar modules. It develops solar modules with advanced semiconductor technology and provides comprehensive PV system solutions. It also manages the comprehensive collection and recycling program for solar modules.
- May 2025Grant (prize money)$8M
- Apr 2025Grant (prize money)$5.2M
- Jan 2025Grant (prize money)$8M
- Jan 2018Post IPO$488K
#5
Lessen 🦄Series C · Scottsdale, Arizona · founded 2019 · 540 employees$705Mraised▾
Provider of property maintenance and improvement solutions for commercial and residential. The company offers services including repairs, maintenance, capital projects, and make-readies. It focuses on simplifying complexities and delivering value through technology and a vendor network. The company serves commercial occupiers, owners, residential owners, and managers.
- Jan 2023Conventional Debt—
- Jan 2023Series C$500M
- Nov 2021Series B$170M
- Jun 2021Series A$35M
#6
Series A · Scottsdale, Arizona · founded 2020$4.5Mraised▾
Provider of smart water conservation products. It uses AI and machine learning algorithms for its products that help to educate consumers on water conservation in their everyday lives.
- Dec 2024Conventional Debt$2M
- Sep 2023Series A$2.5M
- Aug 2022Seed$2M
#7
Seed · Phoenix, Arizona · founded 2018 · 5 employees$374.9Kraised▾
Technology solution for water treatment. It uses electro-oxidative technology for energy-efficient and scalable destruction of per- and polyfluoroalkyl substances (PFAS) in water and wastewater treatment.
- Aug 2025Seed$100K
- Dec 2021Grant (prize money)$274.9K
#8
Seed · Phoenix, Arizona · founded 2021 · 9 employees$274.7Kraised▾
Developer of thermo-mechanical energy storage solutions. It offers carbon-negative and climate-positive energy storage solutions through real-time data analysis. It facilitates communication between hardware devices and allows a shift to decarbonization and a renewable grid. It focuses on decarbonizing energy processes and enabling electrification by offering a storage solution that complements renewables like solar and wind.
- Nov 2024Grant (prize money)—
- Sep 2024Seed—
- Jul 2024Grant (prize money)$274.7K
#9
Acquired · Phoenix, Arizona · founded 1975 · 18 employees$69.2Mraised▾
Provider of energy efficiency, building automation, and infrastructure modernization solutions. The company offers services such as HVAC modernization, indoor air quality improvements, and smart city technology implementation. Expertise extends to renewable energy, energy storage, electrification, and water conservation. The company delivers design/build solutions and funding plans for infrastructure upgrades.
#10
Funding Raised · Tempe, Arizona · founded 1995$11.6Mraised▾
Real-time microbial sensor technology for environmental and industrial monitoring solutions. They specialize in advanced analytical technologies for water, soil, and air quality improvement. Their core offering is a proprietary microbial sensor probe combined with a signal processor and cloud-based analytics platform, enabling real-time monitoring of microbial biofilm response in bioreactor processes. This technology addresses challenges like sensor fouling and optimizes process control in wastewater treatment, fish farming, and environmental monitoring. They develop custom sensing technologies for various environmental contaminants. Their solutions provide real-time data and insights for process optimization and environmental protection.
- Jun 2020Grant (prize money)$206.1K
- Feb 2020Grant (prize money)$1.8M
- Apr 2018Grant (prize money)$1.3M
- Feb 2015Grant (prize money)$2.2M
#11
Public · Phoenix, Arizona · founded 1994 · 7 employees$4.4Mraised▾
Developer of organic solar PV modules. It specializes in organic and inorganic photovoltaic solar panels. It develops thin-film and gallium arsenide solar modules.
- Jan 2022Grant (prize money)$255.9K
- May 2021Grant (prize money)$100K
- Jul 2019Grant (prize money)$1.3M
- Apr 2017Post IPO$258.5K
#12
Funding Raised · Phoenix, Arizona · founded 1998 · 30 employees$10Mraised▾
Provider of catalytic converter recycling, toll refining, and precious metal assaying. The company offers direct purchase of catalytic converters. It utilizes proprietary software for catalytic converter identification and valuation. The company provides transparent reporting and advanced processing technologies.
- Jul 2020Conventional Debt$10M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Arizona researches in environmental monitoring
- University of Arizona15
- Arizona State University11
- Northern Arizona University3
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.