Best Sustainability Tech Companies in Oakland, United States
The 46 best Sustainability Tech companies in Oakland, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Mosaic.
Our analysis of 84 Sustainability Tech companies
$19.4b in tracked funding; 85% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Sustainability Tech companies in Oakland
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | AIZA Provider of AI-based pipeline inspection and asset management solutions | — | — | 17 | 2018 | Adrian Walker Founder & CEO | — | — | — |
| 2 | Biome Manufacturer of automated hydroponic living wall panels for indoor spaces | — | — | 8 | 2014 | Collin Cavote Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+22 | — | — |
| 3 | BuildingOS Provider of solutions for building energy management | — | — | — | 2004 | Michael Murray Owner | — | — | — |
| 4 | Calmarinc Provider of spray foam insulation, fireproofing, and coating application services | — | — | — | 2005 | — | — | — | — |
| 5 | Cameron C. Habel Construction Developer of green building communities | — | — | 5 | 1993 | — | — | — | — |
| 6 | ceres imaging Ceres Imaging is a SaaS-based aerial spectral imagery and analytics company that serves farmers and… | — | — | 80 | 2013 | — | — | — | 1 award |
| 7 | Community Economics Non-profit affordable housing development and consulting company | — | — | 7 | 1976 | — | — | — | — |
| 8 | Easy Work Order Provider of suite solutions for energy management | — | — | — | 2004 | Ric Omphroy Founder & CEO | — | — | — |
Top 12 Sustainability Tech companies in Oakland
#1
Series D · Oakland, California · founded 2008 · 356 employees$124.5Mraised▾
Renewfinancial offers an online platform for renewable energy financing. It offers loans to individuals & businesses for solar energy panels, windows & doors, heating & cooling, roofing & roof replacement, landscaping & turf, and more. It also provides loans to governments for energy & water conservation projects.
- Oct 2023Conventional Debt$245M
- Aug 2017Conventional Debt$300M
- Oct 2016Conventional Debt$200M
- Feb 2016Series D$78.3M
#2
Series A · Oakland, California · founded 2014 · 20 employees$27.9Mraised▾
AI & SaaS-driven refrigeration management solution for facility managers. The platform provides the solution to connect existing infrastructure using an on-site cellular gateway. Its platform creates a digital twin of the existing refrigeration system and optimizes the refrigeration system.
- Feb 2024Series A$5M
- Jan 2023Series A$7.4M
- Oct 2022Series A$11.9M
- Nov 2021Seed$2.5M
#3
Series A · Oakland, California · founded 2018 · 28 employees$13.9Mraised▾
Provider of a online platform offering carbon footprint solutions. It provides users with an app the tracks, reduce, and offset emissions. It tracks the emissions of your purchases and receives personalized tips and insights. Its app is available for both android and ios.
- Oct 2022Series A$10.4M
- Dec 2020Seed$2.5M
- Jun 2019Seed$1M
#4
Seed · Oakland, California · founded 2021 · 7 employees$7.2Mraised▾
Provider of solutions to convert wood waste into lumber products. It offers technology that converts wood waste from construction and demolition into high-volume lumber products.
- Dec 2022Seed$5.6M
- Nov 2021Seed$1.6M
#5
Series C · Oakland, California · founded 2011 · 179 employees$250.5Mraised▾
Mosaic is a US based company focused on providing financing for residential solar. The company provides financing to homeowners to setup rooftop solar at their houses. The company started off as a crowdfunding platform to investment in solar projects.
- Nov 2016Conventional Debt$250M
- Aug 2016Conventional Debt$19.2M
- Aug 2016Series C$220M
- Apr 2016Conventional Debt$200M
#6
Series A · Oakland, California · founded 2014 · 17 employees$11Mraised▾
Provider of access to energy usage data. The software offers an automating process of authorizing and collecting electricity data and converts them into PDF and Excel formats. It also provides graphs to analyze the energy consumption pattern.
- May 2022Series A$11M
- Jul 2017Grant (prize money)$923.8K
- Nov 2015Grant (prize money)$762K
- Dec 2014Seed—
#7
Funding Raised · Oakland, California · founded 2012 · 25 employees$8.1Mraised▾
Standard Microgrid is a distributed energy services company providing distributed renewable generation and proprietary grid management hardware and software. Standard Microgrid’s first pilot is currently running on a rural test site in Mugurameno‚ Zambia. Their system draws energy from solar panels and takes an entire utility solution to rural users‚ typically in a small village. Instead of selling energy by kilowatt hours‚ Standard Microgrid uses a mathematical model to sell energy according to its use. There are different rates for lighting at night or to charge a phone during the day.
- May 2021Grant (prize money)$2.4M
- Apr 2021Grant (prize money)$5.7M
#8
Series B · Oakland, California · founded 2008 · 25 employees$20.2Mraised▾
IoT &AI-driven energy management solution for facility managers. The solutions are provided for commercial buildings, data centers, and more. The platform determines and maintains comfort levels in every area of a building and adjusts HVAC controls to minimize energy usage.
- Jun 2017Series B$6M
- Jun 2013Series A—
- Aug 2012Series A$2.4M
- Aug 2012Series A$4.3M
#9
Seed · Oakland, California · founded 2021 · 8 employees$660Kraised▾
Developer of carbon utilization technologies for advanced materials and carbon sequestration. It commercializes technologies to remove greenhouse gases, creating alternative materials that act as carbon sinks. The company focuses on acrylonitrile production using captured-CO₂ and bio-based sugars. This acrylonitrile is a chemical building block for carbon fiber, enabling carbon storage in derivative products.
- Oct 2022Seed$660K
#10
Deadpooled · Oakland, California · founded 2013 · 10 employees$6Mraised▾
Operator of branded accommodations across a range of hospitality segments. The company focuses on creating and managing various types of lodging experiences. It oversees the operations, branding, and guest services for its properties. The organization aims to provide consistent and quality experiences within the hospitality market.
- Jun 2016Seed$100K
- Feb 2016Seed$2M
- 2015Seed$2.1M
- 2014Seed$120K
#11
Acquired · Oakland, California · founded 2004 · 1906 employees$24.1Mraised▾
Provider of a cloud based intelligence platform intended to improve building efficiency and drive energy conservation and savings. The company's platform helps owners, operators and occupants to gain powerful insights into the operations of their buildings, enabling clients to optimize the performance of their buildings and teams.
#12
Seed · Oakland, California · founded 2019 · 8 employees$451.7Kraised▾
Provider of methane capture and destruction solutions, generating carbon credits. This involves installing and maintaining equipment at customer sites, such as manure ponds, abandoned mines, and landfills. The company funds projects by selling carbon credits resulting from emission reductions, often compensating landowners for land use. Additionally, it works with coal mining companies to measure and control methane emissions, enhancing safety. The equipment is designed for minimal land impact, and the company handles all cleanup.
- Jul 2021Grant (prize money)$451.7K
- 2021Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Sustainability Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Climate Adaptation is moving in the United States
A read on the academic research around Climate Adaptation — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,953 United States-affiliated papers.
- Columbia University52
- University of North Carolina at Chapel Hill43
- Arizona State University42
- Texas A&M University42
- Purdue University West Lafayette35
- Flood myth4→56
- Climate change6→47
- Flooding (psychology)2→23
- Climate resilience1→16
- Flood mitigation2→14
- Flood myth50→178
- Climate change35→155
- Flooding (psychology)18→97
- Resilience (materials science)10→84
- Psychological resilience12→55
- Climate change71→449
- Resilience (materials science)17→139
- Flood myth36→158
- Psychological resilience13→115
- Climate resilience14→92
Where climate adaptation 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 climate adaptation patents in the United States
United States climate adaptation patent filing is cooling — 28 filings from 19 assignees (2016–2025), led by ILC Dover, Garcia Rogerio, Serralta Denset; annual filings 6→1.
- ILC Dover20
- Garcia Rogerio4
- Serralta Denset4
- Zesty AI2
- Yodock GUY1
- Mckee TONY RAY1
- Ballard Tristan1
- Cooper Matthew1
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.