Best Solid Waste Management Tech Companies in California, United States
The 94 best Solid Waste Management Tech companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: ecoATM.
Ranked: Best Solid Waste Management Tech companies in California
| # | Company | Disclosed funding | Last round | Employees | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | ecoATM Automated kiosks for e-waste collection | $398M | 38 mo ago | 462 462 → 382 (-17%) | 2008 | ShopifyPageFlyApple iCloud Mail+38 | 390 patents Automated kiosks for evaluating, purchasing, and recycling consumer electronic devices. | 1 launch |
| 2 | BlueFire Renewables Provider of solutions to convert cellulosic waste into ethanol | $270M | 139 mo ago | 3 | 2006 | — | — | — |
| 3 | Aemetis Manufacturer of renewable fuels and renewable chemicals | $207M | 67 mo ago | 233 | 2006 | WordPressMySQLPHP+21 | 7 patents Renewable biofuel and bioproduct synthesis: biodiesel, isoprene, and decarboxylase enzymes | — |
| 4 | Noveon Provider of magnet recycling solutions 60Funding top 21%Patents top 22%Moat top 23%Partners top 31% All 11 signals ▾Fundingtop 21% Patentstop 22% Moattop 23% Partnerstop 31% Innovationtop 32% Growthtop 36% Newstop 36% Techtop 41% Talentbottom 49% Globalbottom 42% Marketbottom 37% Funding: Raised $75.0M across 4 rounds · 4 rounds over 4 yrs (1.0/yr) Patents: 220 patents matched (strict assignee match) · Latest publication 2021 rank vs industry peers · Fliar Intelligence Index 60/100 | $75M | 5 mo ago | 12 | 2021 | Cart FunctionalitySquarespace CommerceSquarespace+26 | 220 patents Waterborne polymer dispersions and coated polymer composites for textiles, cosmetics, and construction | — |
| 5 | Mill Provider of the smart bin 53Tech top 25%Funding top 29%Moat top 31%Growth top 35% All 12 signals ▾Techtop 25% Fundingtop 29% Moattop 31% Growthtop 35% Talenttop 38% Producttop 46% Innovationtop 48% Marketbottom 42% Fin. healthbottom 40% Globalbottom 37% Partnersbottom 35% Customersbottom 15% Tech: 39 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Funding: Raised $70.0M across 1 rounds · 1 rounds over 3 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 53/100 | $70M | 6 mo ago | 150 | 2020 | Apple iCloud MailGoogle WorkspaceNode.js+25 | — | 1 partnership |
| 6 | Infinium Developer of technology transforming waste emissions into sustainable products | $69M | 17 mo ago | 58 | 2020 | Cart FunctionalitySquarespace CommerceSquarespace+23 | 254 patents Patents concentrated in chemistry & materials | 2 partnerships · 1 award |
| 7 | Origin Materials Provider of solutions for the conversion of waste cardboard and sawdust into PET plastic | $62M | 106 mo ago | 201 | 2008 | DrupalPHPZoho+25 | — | — |
| 8 | Arbor Provider of solutions to convert organic waste into clean energy 21Funding top 32%News top 38%Moat top 42%Talent bottom 49% All 9 signals ▾Fundingtop 32% Newstop 38% Moattop 42% Talentbottom 49% Globalbottom 36% Techbottom 35% Innovationbottom 34% Patentsbottom 33% Marketbottom 32% Funding: Raised $55.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) News: 3 BI events in 12 mo (of 4 tracked, 2 types) · Top themes: Funding rank vs industry peers · Fliar Intelligence Index 21/100 | $55M | 8 mo ago | — | 2021 | WordPressMySQLPHP+19 | 12 patents 3D stacked reconfigurable processor modules and hybrid die integration for configurable computing | — |
| 9 | Aether Fuels Developer of technology converting waste carbon into sustainable liquid fuels 40Funding top 23%Growth top 35%News top 46%Moat top 48% All 9 signals ▾Fundingtop 23% Growthtop 35% Newstop 46% Moattop 48% Talentbottom 49% Globalbottom 39% Marketbottom 35% Partnersbottom 35% Techbottom 32% Funding: Raised $45.4M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 40/100 | $45M | 5 mo ago | — | 2022 | Craft CMSApple iCloud MailMicrosoft 365+10 | — | 1 launch · 1 award |
| 10 | Compology Visual camera and software solution for waste dumpster monitoring | $35M | 83 mo ago | 31 | 2012 | — | 19 patents Smart waste management: sensor-based fill level detection and container location optimization. | — |
| 11 | Ambercycle Provider of tech-based solutions for producing yarns from old cloths 37Funding top 29%News top 34%Talent top 38%Moat top 39% All 9 signals ▾Fundingtop 29% Newstop 34% Talenttop 38% Moattop 39% Growthtop 42% Techbottom 41% Globalbottom 39% Partnersbottom 35% Marketbottom 28% Funding: Raised $26.6M across 6 rounds · 6 rounds over 9 yrs (0.7/yr) News: 5 BI events in 12 mo (of 17 tracked, 4 types) · +25% YoY rank vs industry peers · Fliar Intelligence Index 37/100 | $27M | 10 mo ago | 7 | 2013 | WebflowVimeoSiteGround+10 | — | — |
| 12 | Cruz Foam Manufacturer of sustainable, biodegradable foam packaging | $25M | 36 mo ago | 25 25 → 28 (+12%) | 2017 | WordPressMySQLPHP+20 | 38 patents Patents concentrated in chemistry & materials | 1 launch |
| 13 | Everest Labs Provider of AI-based robots for collecting and sorting recyclable wastes | $25M | 15 mo ago | 36 | 2018 | Squarespace CommerceSquarespaceSentry+33 | 7 patents Atmospheric water generation devices and software for managing outsourcing contract obligations | 1 award |
| 14 | Novoloop Provider of sustainable and performance thermoplastics 62Patents top 27%Funding top 30%Innovation top 32%Moat top 32% All 9 signals ▾Patentstop 27% Fundingtop 30% Innovationtop 32% Moattop 32% Talenttop 38% Producttop 49% Marketbottom 47% Globalbottom 47% Newsbottom 21% Patents: 33 patents matched (strict assignee match) · 31 filings since 2022 vs 2 in 2017-21 Funding: Raised $24.0M across 7 rounds · 7 rounds over 11 yrs (0.6/yr) rank vs industry peers · Fliar Intelligence Index 62/100 | $24M | 11 mo ago | 42 | 2015 | — | 33 patents Chemical recycling of polypropylene and contaminated plastics, plus nitro‑polyester TPU formulations. | — |
| 15 | WasteFuel Developer of technology transforming waste into sustainable fuels for transportation | $23M | 35 mo ago | 20 | 2019 | WixSentryBootstrap+21 | 3 patents Patents concentrated in chemistry & materials | — |
| 16 | California Safe Soil Manufacturer of crop nutrition products from food waste | $22M | 80 mo ago | 24 | 2012 | — | — | — |
| 17 | ECOR Global Developer of sustainable building materials | $20M | 31 mo ago | 92 | 2006 | WordPressMySQLPHP+26 | 12 patents Production of composite fiber boards and laminates for engineered wood products | — |
| 18 | Ener-Core Transforming waste gases into clean energy solutions for various industries | $20M | 96 mo ago | 10 | 2008 | — | — | — |
| 19 | WaterSmart Environmental Provider of cloud-based data analytics for water grid | $19M | 103 mo ago | 21 | 2009 | PHPApache HTTP ServerAmazon Web Services+10 | — | — |
| 20 | NutJobs Provider of solutions to convert nutshell waste into bio-plastic | $15M | 41 mo ago | 7 | 2019 | — | 13 patents Biodegradable polymer composites using agricultural waste as sustainable plastic replacements | — |
| 21 | Glacier Provider of AI-based automated waste sorting robots | $12M | 13 mo ago | 12 | 2019 | LiteSpeedMobXGoogle Font API+3 | — | — |
| 22 | Circular Systems Developer of circular and regenerative textile technologies | $11M | 43 mo ago | 21 | 2017 | Cart FunctionalitySquarespace CommerceSquarespace+26 | — | — |
| 23 | Circular Provider of AI-powered sourcing solutions for sustainable materials | $10M | 26 mo ago | 11 | 2010 | — | — | — |
| 24 | Dimension Online platform offering solutions for waste management | $9M | 44 mo ago | 10 | 2019 | SentryFirebaseJSS+28 | 11 patents Patents concentrated in electrical & electronics | — |
| 25 | Urban Machine Provider of solutions to convert wood waste into lumber products | $7M | 42 mo ago | 7 | 2021 | WordPress Site EditorWordPressMySQL+24 | 16 patents Automated extraction of embedded metal fasteners from wood products | — |
| 26 | Erg Bio Developer of advanced biofuels, biochemicals, biomaterials, and bioplastics | $6M | 7 mo ago | — | 2023 | WordPress Block EditorWordPressMySQL+18 | — | — |
| 27 | CleanWorld Provider processing organic waste processing services | $6M | 168 mo ago | — | 2009 | — | 4 patents Nitrogen-rich liquid fertilizer synthesis from waste streams and programmable multi‑tank liquid handling | — |
| 28 | Cove Provider of plant protein-based bottles for water packaging for enterprises | $5M | 32 mo ago | 16 | 2014 | Panda CSSReact RouterReact+8 | — | — |
| 29 | Olyns Provider of AI-based smart kiosks for plastic waste collection | $5M | 37 mo ago | 19 | 2019 | WebflowVimeoAmazon Web Services+16 | 3 patents Automated beverage container recycling machinery and system technology | — |
| 30 | ViaeX Technologies Developer of nanofiltration systems and technologies | $4M | 106 mo ago | 3 | 2016 | — | — | — |
| 31 | Posh Robotics Provider of automating EV battery recycling robots | $4M | 48 mo ago | 2 | 2021 | — | — | — |
| 32 | Arqlite Technology-based recycler of plastic waste | $3M | 69 mo ago | 8 | 2015 | — | — | — |
| 33 | ReGrained Upcycles grain waste from urban craft breweries into baked goods | $3M | 74 mo ago | 8 | 2013 | — | 3 patents Infrared drying technology for brewery spent grain moisture reduction | — |
| 34 | Nature Coatings Manufacturer of black pigments | $2M | 21 mo ago | 6 | 2016 | Cart FunctionalitySquarespace CommerceSquarespace+25 | 10 patents Plant-derived carbon pigments and liquid dispersions for inks, coatings, and colorants | — |
| 35 | ECO Integrated Technologies Offering thermolysis solution for solid waste processing | $2M | 40 mo ago | 11 | 2013 | — | — | — |
| 36 | Full Cycle Provider of solutions to convert plastic into biopolymers | $2M | 115 mo ago | 19 | 2014 | — | — | — |
| 37 | Repurpose Internet first brand offering kitchenware | $2M | 111 mo ago | 31 | 2009 | Cart FunctionalityShopifyRoute+44 | — | 2 awards |
| 38 | Replenysh Provides a marketplace for connecting brands and customers | $2M | 13 mo ago | 9 | 2016 | Webflow EcommerceWebflowApple iCloud Mail+20 | — | — |
| 39 | Mi Terro Global Manufacturer of biomaterials using agricultural waste | $2M | 51 mo ago | 10 | 2018 | — | 2 patents Recovering milk proteins from expired/spoiled milk for food ingredient reuse | — |
| 40 | Litterati Mobile app for tagging waste collected zones | $1M | 86 mo ago | 12 | 2012 | Cart FunctionalitySquarespace CommerceSquarespace+20 | — | — |
| 41 | The People's Movement Footwear and accessories from recycled plastics | $1M | 161 mo ago | 4 | 2011 | — | — | — |
| 42 | Delete Provider of online content dedicated to a prominent actress's career | $1M | 115 mo ago | 1 | 2015 | — | — | — |
| 43 | Novocycle Developer of battery recycling technologies | $1M | 7 mo ago | — | 2021 | GSAPReactMicrosoft Advertising+12 | — | — |
| 44 | Hydrova Dross recycling solution provider | $1M | 42 mo ago | 2 | 2020 | — | 2 patents Recycling aluminum remelting waste into solid by‑products and combustible syngas | — |
| 45 | GreenQ Sensors and analytical software for waste collection industry | $600K | 90 mo ago | 6 | 2015 | — | — | — |
| 46 | ByFusion Transforming plastic waste into sustainable building materials for a cleaner planet | $250K | 33 mo ago | 9 | 2015 | Cart FunctionalityShopifyBeehiiv RSS feed+30 | — | — |
| 47 | Primitives Manufacturer of bioplastics from waste | $250K | 79 mo ago | 5 | 2018 | — | — | — |
| 48 | The Hurd Co Developer of sustainable fabrics from agricultural waste | $200K | 62 mo ago | 5 | 2019 | — | — | — |
Top 12 Solid Waste Management Tech companies in California
#1
Series C · San Marcos, California · founded 2021 · 12 employees$75Mraised▾
Provider of magnet recycling solutions. It provides permanent magnets for sustainable energy. It also provides EcoFlux which is a sustainable magnet.
- Jan 2026Series C$215M
- Jun 2025Grant (prize money)$28.8M
- May 2023Series B$75M
- 2022Seed—
#2
Series A · San Francisco, California · founded 2022$45.4Mraised▾
Developer of technology converting waste carbon into sustainable liquid fuels. The company’s technology economically converts waste carbon into liquid fuels. It enables industries to achieve net zero goals through carbon conversion efficiency. The technology converts carbon from multiple sources without requiring extra steps or equipment.
- Jan 2026Series A$15M
- Mar 2025Series A—
- Jun 2024Series A$36.9M
- Dec 2023Seed$8.5M
#3
Series C · San Bruno, California · founded 2020 · 150 employees$70Mraised▾
Provider of the smart bin. It offers technology that dries, shrinks, and de-stinks waste into fertilizer.
- Dec 2025Series C—
- Sep 2023Series C$70M
#4
Series A · El Segundo, California · founded 2021$55Mraised▾
Provider of solutions to convert organic waste into clean energy. It uses torrefaction technology that thermally pre-treats biomass at high pressure to convert organic waste into clean energy.
- Oct 2025Series A$55M
#5
Series B · Los Angeles, California · founded 2013 · 7 employees$26.6Mraised▾
Provider of tech-based solutions for producing yarns from old cloths. It aims to produce virgin-grade polymers from textile waste. It partners with companies, cities, and consumers to collect end-of-life textiles.
- Jul 2025Series B—
- Aug 2024Conventional Debt$10M
- Nov 2023Series B$5M
- Jan 2022Series A$21.6M
#6
Series B · Menlo Park, California · founded 2015 · 42 employees$24Mraised▾
Provider of sustainable and performance thermoplastics. It utilises accelerated thermal-oxidative decomposition(ADOT) technology to convert packaging waste into polyester-based thermoplastic polyurethane. Its features include a low carbon footprint and sustainability. It has applications in apparel, consumer electronics, automotive, and additive manufacturing.
- Jun 2025Series B$21M
- Dec 2024Series B$19.2M
- Jun 2022Series A$10M
- Feb 2022Series A$11M
#7
Seed · Dublin, California · founded 2023$6.5Mraised▾
Developer of advanced biofuels, biochemicals, biomaterials, and bioplastics. This company harnesses biomass feedstocks to generate affordable alternatives. The focus is on creating sustainable and cost-effective solutions for various industries. Their technology aims to improve the efficiency and sustainability of these crucial materials.
- Nov 2025Seed$6.5M
#8
Series C · Sacramento, California · founded 2020 · 58 employees$69Mraised▾
Developer of technology transforming waste emissions into sustainable products. It develops platforms focused on energy and digital infrastructure solutions. The company deploys solutions that transform waste emissions into sustainable products. It also enables the next generation of computing to scale more efficiently.
- Jan 2025Series C—
- Oct 2022Seed—
- Oct 2021Seed$69M
- Jan 2021Seed—
#9
Series A · Fremont, California · founded 2018 · 36 employees$24.6Mraised▾
Provider of AI-based robots for collecting and sorting recyclable wastes. It offers a robot that can be installed in the sorting stations. It picks up and sorts different types of recyclable waste and its speed can be customized as per the requirement.
- Feb 2025Series A$9.7M
- Sep 2023Series A$15.2K
- Jul 2022Series A$16.1M
- May 2020Seed—
#10
Series A · San Francisco, California · founded 2019 · 12 employees$12.2Mraised▾
Provider of AI-based automated waste sorting robots. It provides a proprietary robotic design that picks and sorts with high precision, sorts 30 plus different materials, and more.
- Apr 2025Series A$16M
- Mar 2024Series A$7.7M
- Apr 2022Seed$4.5M
#11
Seed · Sunnyvale, California · founded 2021$1.1Mraised▾
Developer of battery recycling technologies. It recycles already used batteries for designing and developing new lithium ion batteries. It offers end-to-end circular solutions for energy storage systems, focusing on recycling production scrap batteries without harmful chemicals or water waste.
- Nov 2025Seed$175K
- Dec 2024Seed$250K
- Apr 2024Seed$1.1M
#12
Acquired · San Diego, California · founded 2008 · 462 employees$397.9Mraised▾
Automated kiosks for e-waste collection. The kiosk can be used to collect unwanted or used cell phones, tablets, and MP3 players. Provides a mobile application through which customers can check the price for electronic scrap & can locate the nearest kiosks. ecoATM is a member of Outerwall, Inc.
- Mar 2023Series D$50M
- Jun 2021Series D$75M
- Feb 2020Series D$200M
- Feb 2013Series C$41.5M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Solid Waste Management Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Circular Economy in California is moving
A read on the academic research around Circular Economy in California — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 107 papers.
UC Berkeley, Davis, and Irvine lead California's circular-economy research, focusing on waste management and sustainable supply chains, with a cautiously concerned tone (46 concern vs. 11 breakthrough papers).
- University of California, Berkeley23
- University of California, Davis19
- University of California, Irvine8
- California State University, Bakersfield6
- University of Southern California6
- Resource (disambiguation)1→3
- Sustainability13
- Resource efficiency8
- Resource (disambiguation)7
- Supply chain6
- Context (archaeology)5
- Sustainability2→14
- Greenhouse gas1→7
- Sustainable development1→6
- Resource (disambiguation)2→6
- Production (economics)1→4