Circular Economy Startups

Higher Wire Inc. designs and manufactures lithium-ion energy storage systems (ESS) using domestically-sourced cells and components, with a focus on extending the useful life of these systems through a circular economy model. The company operates a manufacturing facility in Phoenix, Arizona, and targets the U.S. clean energy market with affordable, standardized storage solutions.

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Icorium is an advanced separation technology company that recovers high-purity refrigerants from complex mixtures using ionic liquid-based extractive distillation, hollow fiber membranes, and pressure swing adsorption. Its platform serves reclaimers, contractors, OEMs, and producers seeking industrial-scale refrigerant recovery and a circular refrigerant economy, and it operates as a University of Kansas spinout.

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Indoor Harvest develops and acquires businesses focused on hemp-based products, spanning nutraceuticals, industrial fibers, and plastics as alternatives to hydrocarbon-based products. The company positions itself in the sustainable materials and consumer products space with an international market focus.

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InEnTec develops PEM (Plasma Enhanced Melter) gasification technology that converts waste, including hard-to-recycle plastics, into clean fuels, chemical building blocks, and energy. The company targets the circular economy by helping customers divert waste from landfills, cut emissions, and produce renewable fuels and materials.

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Infinity Water Solutions is a US-based water management and sustainability technology company that reclaims and recycles wastewater. It operates a closed-loop, water-sharing model to recycle collected wastewater for reuse and reduce freshwater dependence across industries.

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Intersect Agriculture operates a vertical indoor farm that rears insects to convert waste into nutrients through a net carbon-negative process. The company works in sustainable agriculture and food production.

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IperionX produces titanium metals using proprietary processes (HAMR, HSPT, and Green Rutile) at its titanium manufacturing campus, with an emphasis on domestic supply and recycled feedstock. The company operates in the advanced materials and metals manufacturing industry.

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IronTech Resources predicts future income potential from mining tailings waste basins and acquires mineral concentrate assets to support U.S. mining independence. The company targets high-quality mineral deposits with a focus on sustainable growth and operational efficiency.

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Itaconix develops, manufactures, and markets specialty plant-based ingredients derived from itaconic acid that replace fossil-based compounds in consumer products such as cleaning, beauty, and hygiene goods. It also supplies turnkey formulations and itaconate monomers used by manufacturers and researchers in applications ranging from detergents to adhesives, paints, and coatings.

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ITB Packaging designs paper-based, recyclable packaging divider systems that separate and protect parts and products in transit while reducing labor, storage, and freight costs. It serves automotive manufacturers and suppliers as well as e-commerce, electronics, food, beauty, and other manufacturing sectors, primarily across the US.

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Jefferson Timber Coop is a cooperative of microentrepreneurs engaged in timber processing and custom woodworking for residential and commercial clients. Members provide services ranging from standard timber packages to bespoke pieces for boat builders, carvers, and construction projects.

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KleanTu develops, deploys, and commercializes decentralized wastewater treatment technologies and sustainable water and wastewater management systems, including natural engineered treatment methods that remove nitrogen, phosphorus, priority pollutants, and pharmaceutical and personal care products. It serves industrial and municipal water and wastewater operations, integrating technologies into existing infrastructure to meet discharge permit limits.

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LOLI (Living Organic Loving Ingredients) makes food-grade, organic skincare products from responsibly sourced superfood ingredients that customers blend into their own beauty rituals. The brand emphasizes ethical sourcing, supply-chain monitoring against trafficking, and earth-friendly reusable and compostable packaging.

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Make It Cute designs sustainable children's playhouses ("Play Decor") made with responsible materials, intended to blend with home interiors for parents and caregivers. The brand combines children's play products with a philanthropic, give-back model.

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Marrow Detroit Provisions produces chef-crafted sausages and burgers using humanely raised beef and premium ingredients. The company sources meat from Michigan family farmers and emphasizes quality preparations with traditional flavor profiles.

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A funeral service provider offering natural and green burial options, including eco-friendly caskets, cremation alternatives, and grief support services for families.

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Northann Corp uses 3D printing technology to produce interior finishes such as flooring, wall panels, and decorative panels, incorporating recycled ocean plastic and an AI system (Envision) that replicates wood color, grain, and patterns for digital printing. The company positions itself as a one-stop interior decorating solution provider.

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Olokun Minerals recovers metals and minerals from saline wastewater streams such as desalination brine, oil and gas formation waters, geothermal brines, and e-waste recycling, then turns them into materials for concrete, fertilizers, and batteries. It develops extraction technology aimed at mining multiple minerals simultaneously using water rather than hydrochloric acid, supplying critical minerals to construction, agriculture, and electronics industries.

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Pacific Ag is an agricultural business with over 150 years of combined management experience that works directly with farming communities. The company operates across the country with hundreds of employees, many with agricultural backgrounds, and emphasizes relationships, market data, and technological innovation in its operations.

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A company that develops and sells environmentally friendly, affordable consumer products under a "Green Scene" line and pursues retail partnerships alongside an acquisitions and mergers division.

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Phoam Labs manufactures compostable floral foam made from plant-based polylactide (PLA) as a sustainable alternative to traditional petroleum-based foam for the floral industry. The product serves florists, crafters, and floral designers who need functional foam for both dried and fresh flower arrangements.

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PRTI Thermal DeManufacturing converts waste tires into commodities (oil, syngas, carbon, and steel) through a zero-waste, energy-positive thermal processing method. The company serves waste management and tire manufacturing industries with a scalable system designed to reduce logistics costs and environmental impact.

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PSUDO was a footwear brand focused on locally sourced and sustainably produced sneakers sold to consumers. The company has announced its closure.

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PurFi uses a patented reverse-spinning process to rejuvenate post-consumer and post-industrial textile waste back to virgin-quality fiber that retains its original length and strength and can be reused up to 17 times. It serves textile and manufacturing customers with circular fiber production and fiber-lineage traceability software, operating an industrial-scale line in Belgium.

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