Best Solid Waste Management Tech Companies in United States
The 445 best Solid Waste Management Tech companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Redwood Materials.
Ranking the top Solid Waste Management Tech companies in the United States by disclosed equity funding, this directory covers 445 tracked firms carrying a combined $11.3B in disclosed capital. That's real money. The global solid waste management market sat at roughly $285.2B in 2019 and is forecast to reach $379.1B by 2028, compounding at 3.3% annually, driven by urbanization, rapid industrialization, and IoT-enabled smart collection systems. Four unicorns have emerged from this field, and if you want a sense of scale, consider that Redwood Materials alone has pulled in $1.9B, while Divert has raised $1.0B. Those two firms aren't outliers so much as anchors for a sector that's attracting serious institutional attention.
What I find telling is where the funding concentrates. LanzaTech sits at $869M, well above the pack behind the top two, and the investor mix, anchored by the National Science Foundation and America's Seed Fund alongside Plug and Play Tech Center, signals that deep-tech credentials matter here as much as commercial traction. Hot themes across the sector now include EV battery technology and next-generation EV platforms, reflecting how waste recovery and electrification supply chains are increasingly the same conversation. So the directory below isn't just a fundraising leaderboard. It's a map of where materials recovery is actually being built.
- The Business Research Company
Ranked: Best Solid Waste Management Tech companies in United States
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Redwood Materials 🦄 Provider of repurposed battery packs for modular energy storage systems 82Funding top 11%News top 15%Growth top 25%Moat top 26% All 10 signals ▾Fundingtop 11% Newstop 15% Growthtop 25% Moattop 26% Markettop 32% Producttop 41% Talenttop 43% Techtop 45% Globaltop 48% Partnersbottom 35% Funding: Raised $1.9B across 9 rounds · 9 rounds over 9 yrs (1.0/yr) News: 16 BI events in 12 mo (of 108 tracked, 12 types) · +433% YoY rank vs industry peers · Fliar Intelligence Index 82/100 | $1.9B | 4 mo ago | 516 | Jb Straubel founder | StoryblokSentryApple iCloud Mail+18 | 16 signals ▲433% Leadership · Funding · Layoffs | — | 1 job opening · 1 internship · 2 partnerships |
| 2 | Ascend Elements 🦄 Manufacturer of engineered materials from recycled lithium-ion batteries and battery scrap 80Funding top 13%Innovation top 21%Patents top 22%News top 24% All 11 signals ▾Fundingtop 13% Innovationtop 21% Patentstop 22% Newstop 24% Moattop 25% Growthtop 27% Talenttop 38% Markettop 42% Techbottom 48% Partnersbottom 43% Globalbottom 42% Funding: Raised $1.0B across 10 rounds · 10 rounds over 4 yrs (2.5/yr) Innovation: 98 patents (top 28% of patent-holders) · 98 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 80/100 | $1.0B | 15 mo ago | 87 87 → 148 (+70%) · sector median -22% | Yan Wang Co-Founder | WordPressProton MailMicrosoft 365+22 | 7 signals ▲40% Announcements · Hiring · Contracts | 98 patents Recycling and purification of battery metals and graphite for Li‑ion and NiMH batteries | — |
| 3 | Divert Provider of recyclable waste management services 55Funding top 28%Talent top 38%Tech top 42%Moat top 45% All 10 signals ▾Fundingtop 28% Talenttop 38% Techtop 42% Moattop 45% Markettop 46% Patentstop 50% Growthbottom 47% Globalbottom 42% Innovationbottom 36% Newsbottom 19% Funding: Raised $1.0B across 2 rounds · 2 rounds over 8 yrs (0.2/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 55/100 | $1.0B | 4 mo ago | 250 | Ryan Begin Co-Founder & CEO | WordPressApple iCloud MailMySQL+34 | — | 39 patents Digital waste tracking and compliance analytics for supply-chain material handling | 1 partnership · 1 expansion |
| 4 | LanzaTech 🦄 Developer of technology converting carbon-rich gases into fuels and chemicals 78Patents top 10%Funding top 17%News top 25%Innovation top 26% All 13 signals ▾Patentstop 10% Fundingtop 17% Newstop 25% Innovationtop 26% Moattop 26% Producttop 29% Markettop 30% Talenttop 34% Partnerstop 35% Techtop 36% Globaltop 37% Growthtop 45% Fin. healthbottom 48% Patents: 765 patents matched (strict assignee match) · 530 filings since 2022 vs 213 in 2017-21 Funding: Raised $869M across 21 rounds · 21 rounds over 21 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 78/100 | $869M | 4 mo ago | 367 367 → 243 (-34%) · sector median -22% | Sean Simpson Co-Founder | DrupalPHPSalesforce+32 | 25 signals ▲56% Funding · Hiring · Leadership | 765 patents Industrial gas fermentation using engineered microbes to convert C1 gases into chemicals and proteins | 2 partnerships · 1 expansion · 1 award |
| 5 | Red Rock Biofuels Producer of renewable jet and diesel fuels from waste woody biomass | $698M | 43 mo ago | 13 | — | — | — | — | — |
| 6 | ecoATM Automated kiosks for e-waste collection | $398M | 38 mo ago | 462 462 → 382 (-17%) · sector median -22% | Stan Pavlovsky Chief Executive Officer | ShopifyPageFlyApple iCloud Mail+38 | — | 390 patents Automated kiosks for evaluating, purchasing, and recycling consumer electronic devices. | 1 launch |
| 7 | Rubicon 🦄 Provider of waste and recycling management solutions for various businesses | $272M | 29 mo ago | 949 949 → 552 (-42%) · sector median -22% | — | WordPress Block EditorWordPressMySQL+25 | — | 286 patents Optimizing waste collection logistics and hydraulic pump technologies for service efficiency | 1 job opening |
| 8 | Bioenergy DevCo Provider of anaerobic digestion technology for organic waste and energy solutions | $236M | 38 mo ago | 3 | Shawn Kreloff Founder & Board Member | WordPressMySQLMariaDB+26 | — | — | — |
| 9 | Ampsortation Provider of AI-powered automation systems for recycling and waste management | $213M | 18 mo ago | — | Matanya Horowitz Founder & CTO | PrismicNode.jsThree.js+18 | — | — | — |
| 10 | AMP AI-based waste sorting robot developer | $178M | 37 mo ago | 90 | — | — | — | — | 1 partnership · 1 award |
| 11 | Ecovative Mycelium technology to develop sustainable and biodegradable materials 64Funding top 16%Innovation top 25%Moat top 26%Patents top 28% All 11 signals ▾Fundingtop 16% Innovationtop 25% Moattop 26% Patentstop 28% Talenttop 28% Techtop 44% Partnerstop 45% Marketbottom 48% Growthbottom 46% Globalbottom 39% Newsbottom 21% Funding: Raised $173M across 24 rounds · 24 rounds over 15 yrs (1.6/yr) Innovation: 19 patents (top 37% of patent-holders) · 19 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 64/100 | $173M | 14 mo ago | 106 | Gavin McIntyre Co-Founder | Cart FunctionalityShopifyApple iCloud Mail+24 | — | 19 patents Mycelium-based sustainable composites for construction, packaging, and biofabricated materials | — |
| 12 | ABTC Provider of Lithium-ion battery recycling platform | $105M | 11 mo ago | 54 | Ryan Melsert Chief Executive Officer | WordPress Block EditorWordPressMySQL+15 | 19 signals ▼46% Announcements · Earnings · Regulatory | — | — |
| 13 | Allonnia Provider of solutions for upcycling plastic waste 37Funding top 24%Moat top 37%Patents top 41%Innovation top 47% All 8 signals ▾Fundingtop 24% Moattop 37% Patentstop 41% Innovationtop 47% Talentbottom 49% Newsbottom 44% Globalbottom 39% Marketbottom 34% Funding: Raised $90.0M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) Moat: Editorial + unicorn rating 6/10 · IP moat: 13 patents rank vs industry peers · Fliar Intelligence Index 37/100 | $90M | 6 mo ago | 16 | Nicole Richards CEO | — | — | 13 patents Bio-solvent ore leaching and PFAS-binding protein technologies for selective impurity removal. | — |
| 14 | Utility Global Provider of solutions to convert waste gas into hydrogen and syngas 72Growth top 15%Patents top 16%Innovation top 19%Funding top 19% All 10 signals ▾Growthtop 15% Patentstop 16% Innovationtop 19% Fundingtop 19% Newstop 22% Moattop 29% Talenttop 38% Globalbottom 42% Partnersbottom 35% Marketbottom 27% Growth: Fresh capital in last 24 mo Patents: 222 patents matched (strict assignee match) · 150 filings since 2022 vs 65 in 2017-21 rank vs industry peers · Fliar Intelligence Index 72/100 | $86M | 3 mo ago | 4 | Matt Dawson Founder & Special Advisor | — | 7 signals ▲133% Funding · Capital raise · Contracts | 222 patents Electrochemical production of hydrogen and syngas from ammonia and carbon-containing feedstocks | — |
| 15 | 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 | 4 mo ago | 12 | Scott Dunn Co-Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+26 | 5 signals Contracts · Funding · Capital raise | 220 patents Waterborne polymer dispersions and coated polymer composites for textiles, cosmetics, and construction | — |
| 16 | RTS Smart waste collection company | $70M | 16 mo ago | 402 | Gregory Lettieri Co-Founder & CEO | WordPressMySQLPHP+33 | — | — | — |
| 17 | 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 | Matthew Rogers Co-Founder & CEO | Apple iCloud MailGoogle WorkspaceNode.js+25 | — | — | 2 partnerships |
| 18 | Infinium Developer of technology transforming waste emissions into sustainable products | $69M | 17 mo ago | 58 | — | Cart FunctionalitySquarespace CommerceSquarespace+23 | — | 254 patents Patents concentrated in chemistry & materials | 2 partnerships · 1 award |
| 19 | Nth Cycle Provider of electronics and li-ion battery recycling technology 50Funding top 24%Talent top 28%Growth top 35%Moat top 39% All 9 signals ▾Fundingtop 24% Talenttop 28% Growthtop 35% Moattop 39% Partnerstop 40% Newsbottom 45% Marketbottom 40% Globalbottom 38% Techbottom 35% Funding: Raised $59.7M across 9 rounds · 9 rounds over 7 yrs (1.3/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 50/100 | $60M | 1 mo ago | 37 | Megan O'Connor Co-Founder & CEO | WordPressMySQLPHP+19 | — | — | 1 partnership |
| 20 | Sortera Provider of industrial scrap metal recycling solutions powered by AI technology | $59M | 6 mo ago | 50 | Nalin Kumar Founder & CTO | Node.jsRadix UITailwind CSS+11 | — | 7 patents Patents concentrated in transport & manufacturing processes | — |
| 21 | 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 | 7 mo ago | — | Brad Hartwig Co-Founder & CEO | WordPressMySQLPHP+19 | 3 signals Funding | 12 patents 3D stacked reconfigurable processor modules and hybrid die integration for configurable computing | — |
| 22 | Blue Whale Materials Provider of lithium-ion battery recycling and critical materials reclamation services | $55M | 20 mo ago | 8 | Robert Kang Co-Founder & CEO | Squarespace CommerceSquarespaceTypeScript+14 | — | — | 1 job opening |
| 23 | Li Industries Developer of technologies for sustainable lithium-ion battery materials production and recycling | $49M | 23 mo ago | 18 18 → 33 (+83%) · sector median -22% | — | WebflowjQueryHSTS+9 | — | — | — |
| 24 | 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 | — | Conor Madigan Founder and CEO | Craft CMSApple iCloud MailMicrosoft 365+10 | 4 signals Incorporation · Funding · Contracts | — | 1 launch · 1 award |
| 25 | Raven Developer of technology converting waste into hydrogen and synthetic fuels | $35M | 26 mo ago | 4 | Matt Murdock Co-Founder & CEO | WordPressMySQLPHP+19 | — | 39 patents High-temperature electrically heated steam reforming for hydrogen and synthetic fuel production from waste. | — |
| 26 | CleanPlanet Chemical Provider of chemical and solvent recycling solutions | $30M | 15 mo ago | 19 19 → 37 (+95%) · sector median -22% | — | — | — | — | — |
| 27 | 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 | Shay Sethi Co-Founder & CEO | WebflowVimeoSiteGround+10 | 5 signals ▲25% Funding · Capital raise · Contracts | — | — |
| 28 | Everest Labs Provider of AI-based robots for collecting and sorting recyclable wastes | $25M | 15 mo ago | 36 | Jagadeesh Ambati Founder & CEO | Squarespace CommerceSquarespaceSentry+33 | — | 7 patents Atmospheric water generation devices and software for managing outsourcing contract obligations | 1 award |
| 29 | 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 | Jeanny Yao Co-founder & COO | — | — | 33 patents Chemical recycling of polypropylene and contaminated plastics, plus nitro‑polyester TPU formulations. | — |
| 30 | CurbWaste Provider of software for haulers | $21M | 7 mo ago | 32 | Ashley Patel Co-Founder and Chief of Staff | WebflowCart FunctionalityAmazon Web Services+22 | — | — | 1 job opening · 1 award |
| 31 | Ridwell Provider of convenient hard-to-recycle item pickup services | $15M | 6 mo ago | 177 177 → 99 (-44%) · sector median -22% | Ryan Metzger Co-Founder & CEO | SanityApple iCloud MailGoogle Workspace+26 | — | — | — |
| 32 | SiTration Provider of battery recycling solutions | $14M | 11 mo ago | 5 | Brendan Smith Co-Founder & CEO | — | — | 20 patents Metal extraction processes and electrically conductive membrane separation technologies. | — |
| 33 | Glacier Provider of AI-based automated waste sorting robots | $12M | 13 mo ago | 12 | Areeb Malik Co-Founder | LiteSpeedMobXGoogle Font API+3 | — | — | — |
| 34 | Phoenix Tailings Online mineral recovery from mining waste platform | $12M | 3 mo ago | 30 | Nicholas Myers Co-Founder & CEO | WordPressApple iCloud MailMicrosoft 365+22 | 4 signals Funding | 51 patents Metal recovery and process control in molten‑salt electrolysis systems | — |
| 35 | REEcycle Recycling rare earth elements from electronic waste for a sustainable future | $11M | 16 mo ago | 7 | Casey McNeil Co-Founder & CEO | Squarespace CommerceCart FunctionalitySquarespace+20 | — | — | — |
| 36 | Enexor Developer of onsite renewable bioenergy systems from organic waste | $10M | 22 mo ago | 33 | Lee Jestings Founder & CEO | WordPressApple iCloud MailGoogle Workspace+19 | — | — | — |
| 37 | TrashieCash Provider of textile recycling services for clothing and household items 48Tech top 19%Funding top 32%Growth top 45%Talent bottom 49% All 8 signals ▾Techtop 19% Fundingtop 32% Growthtop 45% Talentbottom 49% Productbottom 48% Marketbottom 43% Globalbottom 29% Customersbottom 1% Tech: 67 technologies across 6/8 capability areas · Cloud: Amazon S3, Amazon Web Services Funding: Raised $10.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 48/100 | $10M | 0 mo ago | — | Kristy Caylor Founder & CEO | ShopifyFirebaseEmotion+26 | — | — | 1 launch |
| 38 | MacroCycle Developer of zero-carbon plastic upcycling technology | $10M | 3 mo ago | — | Jan-Georg Rosenboom Co-Founder & CTO | — | — | — | 1 internship · 2 awards |
| 39 | Onto Technology Battery recycling technology provider | $8M | 14 mo ago | — | — | — | — | — | — |
| 40 | Bion Sustainable agriculture and renewable energy solutions through waste treatment and resource recovery | $7M | 4 mo ago | 7 | Dominic Bassani CEO | — | — | 7 patents Low‑oxygen biological wastewater treatment and nutrient recovery systems | — |
| 41 | Heartland Provider of sustainable waste-to-resource solutions | $7M | 8 mo ago | — | Mauricio Vargas CEO & President | WordPressMySQLPHP+29 | — | 46 patents Design and manufacturing of aseptic beverage containers and dispensing bottle systems | — |
| 42 | PowerTech Water Provider of technology solutions for wastewater treatment | $7M | 14 mo ago | 52 52 → 38 (-27%) · sector median -22% | — | — | — | 42 patents Electrochemical water treatment for metal recovery and hydrogen peroxide removal | — |
| 43 | Erg Bio Developer of advanced biofuels, biochemicals, biomaterials, and bioplastics | $6M | 6 mo ago | — | Blake Simmons Co-Founder & CTO | WordPress Block EditorWordPressMySQL+18 | — | — | — |
| 44 | BinIt Provider of AI-based intelligent analytics for waste management | $6M | 16 mo ago | 8 | Raghav Mecheri Co-Founder & CEO | — | — | 3 patents Computer‑vision based hazardous item detection and classification systems | — |
| 45 | Wasted Provider of converting feces into fertilizer | $6M | 2 mo ago | 10 | Brophy Tyree Co-Founder | WordPressMySQLPHP+27 | — | — | — |
| 46 | MOLG Provider of robotic microfactories and design services for circular manufacturing | $6M | 6 mo ago | 8 | Rob Lawson-Shanks CEO and Co-founder | WebflowTypekitcore-js+10 | — | — | — |
| 47 | FloVision Solutions Provider of food waste management solutions for restaurants | $2M | 13 mo ago | 6 | — | WordPressApple iCloud MailGoogle Workspace+31 | — | — | — |
| 48 | Replenysh Provides a marketplace for connecting brands and customers | $2M | 13 mo ago | 9 | Mark Armen Founder | Webflow EcommerceWebflowApple iCloud Mail+20 | — | — | — |
| 49 | Novocycle Developer of battery recycling technologies | $1M | 7 mo ago | — | Taha Uluhan Co-Founder & CEO | GSAPReactMicrosoft Advertising+12 | — | — | — |
| 50 | NXTClean Fuels Oil production from recycled organic materials | $210K | 5 mo ago | 5 | Christopher Efird Founder & CEO | WordPressMySQLPHP+21 | — | — | 1 partnership · 1 expansion |
Top 12 Solid Waste Management Tech companies in United States
#1
Series E · Carson City, Nevada · founded 2017 · 516 employees$1.9Braised▾
Provider of repurposed battery packs for modular energy storage systems. It offers energy solutions by repurposing used battery packs into modular energy storage systems. The company recycles and refines lithium-ion batteries, recovering valuable materials. It focuses on creating scalable energy storage solutions by utilizing battery packs with remaining capacity. The company provides an alternative to traditional grid expansion by offering a lower-cost, faster path to energy storage.
- Jan 2026Series E$75M
- Oct 2025Series E$350M
- Aug 2023Series D$1B
- Feb 2023Conventional Debt$2B
#2
Public · Skokie, Illinois · founded 2005 · 367 employees$869.3Mraised▾
Developer of technology converting carbon-rich gases into fuels and chemicals. The company provides solutions for energy security and economic strength. It transforms industrial emissions and gasified waste into ethanol. This ethanol serves as a building block for sustainable aviation fuel and chemical derivatives. The company partners with industries to capture and process carbon-rich gases.
- Jan 2026Post IPO$20M
- Jun 2025Grant (prize money)$2.5M
- Apr 2025Grant (prize money)$1.9M
- Jan 2025Grant (prize money)$2.5M
#3
Series B · Concord, Massachusetts · founded 2005 · 250 employees$1Braised▾
Provider of recyclable waste management services
- Jan 2026Series B—
- Mar 2023Series B$1B
- Jul 2018Series A$3.8M
#4
Series B · Knoxville, Tennessee · founded 2017 · 37 employees$59.7Mraised▾
Provider of electronics and li-ion battery recycling technology. The platform provides electro-extraction technology installed onsite to recover critical minerals from separated e-waste, low-grade ore, and mine tailings.
- Apr 2026Series B$5.5M
- Apr 2023Series B$44M
- Feb 2022Series A$12.5M
- Aug 2021Grant (prize money)$250K
#5
Series D · Houston, Texas · founded 2018 · 4 employees$86Mraised▾
Provider of solutions to convert waste gas into hydrogen and syngas. The eXERO technology platform combines electrochemical and chemical processes, delivering hydrogen and syngas with low carbon intensity. The platform removes the need for external electricity.
- Feb 2026Series D$100M
- May 2024Series C$53M
- May 2022Series B$25M
- Feb 2021Series A$3M
#6
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—
#7
Series D · Westborough, Massachusetts · founded 2015 · 87 employees$1Braised▾
Manufacturer of engineered materials from recycled lithium-ion batteries and battery scrap. The company utilizes a direct precursor synthesis process to transform discarded batteries and manufacturing scrap into active cathode battery material. This process recovers critical elements for reuse in lithium-ion battery manufacturing. The company provides logistics, material-tracking, and customer support services.
- Feb 2025Grant (prize money)—
- Feb 2024Series D$162M
- Sep 2023Series D$460.1M
- Sep 2023Grant (prize money)$480.6M
#8
Series A · Boston, Massachusetts · founded 2019 · 16 employees$90Mraised▾
Provider of solutions for upcycling plastic waste. It uses advanced biology and technology to recycle and convert upcycle waste. It is focused on four key sectors of mining, industry, energy, and plastics, including segments of PFAS separation and concentration, PFAS sensing, rare earth elements - REE, oil sands process water - OSPW, and Plastics.
- Dec 2025Series A$20M
- Jan 2025Series A$650K
- Mar 2023Series A$30M
- May 2021Series A$20M
#9
Series A · New York City, New York · founded 2023$10Mraised▾
Provider of textile recycling services for clothing and household items. Customers receive shipping bags to collect unwanted apparel, footwear, and home textiles. These items are processed through sorting facilities to determine if they can be repurposed, reused, or recycled. The service facilitates the diversion of discarded goods from landfills by managing the logistics of collection and distribution to appropriate processing channels. Participants receive financial incentives based on the volume of materials submitted for processing.
- 2026Series A$10M
#10
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
#11
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
#12
Series C · Markle, Indiana · founded 2020 · 50 employees$59.3Mraised▾
Provider of industrial scrap metal recycling solutions powered by AI technology. It uses artificial intelligence technology for production of metal alloys for domestic manufacturing. It reuse metals recovered from end-of-life products for manufacturing. It also provides AI powered sensors for automated sorting.
- Nov 2025Conventional Debt$25M
- Nov 2025Series C$20M
- Apr 2023Series C$59.3M
- Nov 2021Series A$10M
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 is moving in the United States
A read on the academic research around Circular Economy — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 2,687 United States-affiliated papers.
- National Research Council69
- Purdue University West Lafayette49
- Cornell University35
- Yale University34
- Arizona State University32
- Sustainability2→82
- Resource (disambiguation)6→58
- Supply chain2→33
- Resource efficiency3→28
- Resource allocation2→26
- Sustainability13→357
- Resource (disambiguation)15→164
- Sustainable development4→107
- Supply chain4→87
- Resource efficiency16→97
- Sustainability34→294
- Sustainable development15→108
- Resource (disambiguation)34→110
- Reuse7→74
- Ecology3→62
Where circular economy 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 circular economy patents in the United States
United States circular economy patent filing is accelerating — 251 filings from 58 assignees (2016–2025), led by Chevron USA, Casella Waste SYS, Tread Heads; annual filings 6→27.
- Chevron USA146
- Casella Waste SYS22
- Tread Heads10
- Hewlett Packard Development10
- Emerging Acquisitions9
- AMP Robotics9
- MI9
- Megtec SYS8