New Materials Startups

Silver Bow Mining Corp. is an exploration-stage mining company with operations in the Butte, Montana mining district, focused on developing the Rainbow Block property containing inferred silver, zinc, and lead resources designated as U.S. critical minerals. The company completed its IPO on NYSE American in April 2026 and is conducting surface and underground exploration activities to upgrade mineral resources and demonstrate economic viability.

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Silver Spruce Resources is a mineral exploration company focused on acquiring and developing precious metal and critical metals projects in established mining districts. The company targets properties requiring focused exploration to define resources compliant with Canadian mining standards.

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Silver47 is a silver exploration and production company focused on developing critical mineral assets in the United States. The company operates projects in Alaska and New Mexico with the goal of reducing U.S. dependence on foreign silver imports and supporting domestic supply chain security.

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SiO2 Materials Science develops precision molded polymer containers with thin glass-like barrier coatings for pharmaceutical and biopharmaceutical applications. Its product line includes syringes, vials, and blood tubes designed for uses such as high-viscosity and high-pH formulations and cold storage.

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Solidion Technology develops and commercializes solid-state and next-generation battery materials, components, and cells, including silicon-anode, solid-state electrolyte, and sodium-ion technologies. It targets the EV and energy storage markets with batteries designed for manufacturing at scale on existing lithium-ion production lines.

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Solitario Resources Corp is a mineral exploration company advancing gold, copper, and other resource projects, including its Ponderosa and Bright Angel Gold-Copper projects, through drilling programs. It operates in the mining and resource exploration industry.

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Solute Smart is a custom engineering company focused on refrigeration systems, industrial water treatment, and filtration technology. It uses membrane distillation to recover freshwater and valuable minerals such as lithium, iodine, and bromine from highly saline oil and gas produced water brines and industrial wastewater, targeting zero liquid discharge of RO retentate.

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South Cypress is a flooring contractor and supplier of curated wood flooring, porcelain floor tile, and ceramic wall tile for commercial interior designers and their clients. It sources materials globally with an emphasis on North American products and supplies commercial projects across the United States.

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Southeastern Fiber Corporation develops fiber-based materials made from repurposed banana plant byproduct, with applications in nonwoven materials, nanotechnology, and horticulture. Its brands include Banana Bloom, a dry organic soil amendment surfactant for home gardeners, greenhouses, and nurseries, and BananaTurf, a banana-fiber root zone technology for golf courses and sports fields.

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Spectral Platforms develops imaging and sensing technologies based on optical and materials science innovations. The company was founded by Ravi Verma, a materials scientist with expertise in optics and MEMS, and is supported by a board of distinguished scientists and industry leaders.

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Spinnaker Biosciences develops porous silicon, porous silicon oxide, and silicon/polymer composite materials engineered as controlled-release drug delivery vehicles. Its biocompatible, biodegradable particles provide protected storage and sustained release of therapeutic payloads, with surface chemistry that supports targeting agents such as peptides and antibodies.

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Spoke Sciences develops patented formulation technology that makes lipophilic plant-derived functional ingredients (such as CoQ10, resveratrol, and fat-soluble vitamins) water-soluble and taste-neutral for use in beverages and topical/personal care products. It licenses these proprietary ingredients to consumer products manufacturers, addressing potency, bioavailability, stability, taste, and skin-feel challenges.

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Sports Engineering Inc. develops load management technologies and the Split Sole™ footwear concept, licensing the technology to footwear manufacturers and brands.

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Star Gold Corp develops high-quality gold and silver mining assets in Nevada's Walker Lane Belt, focusing on the flagship Longstreet Project, an open pit heap-leach operation. The company targets long-term precious metals production with emphasis on capital efficiency, environmental stewardship, and operational readiness.

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Stardust Power develops a lithium refinery in Muskogee, Oklahoma to produce battery-grade lithium carbonate, supplying materials for battery manufacturers in the U.S. The company operates in the lithium refining and battery supply chain sector.

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Steel Dynamics is a North American steel producer and metals recycler that manufactures steel products from recycled scrap using electric arc furnaces, while also operating downstream steel fabrication and aluminum production divisions. The company serves automotive, beverage, industrial, and construction markets with differentiated product offerings and recycled-content materials.

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SupplyCaddy manufactures and distributes custom and generic food service packaging and disposables, including bags, boxes, and cups, primarily for QSR, fast-casual, travel, and hospitality brands. The company ships globally from manufacturing facilities in North America and Europe.

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Surge Copper Corp. is a Canadian resource company developing copper-molybdenum-silver-gold porphyry deposits in British Columbia, including its 100%-owned Berg Copper Project and the Ootsa Property near the former Huckleberry Mine. It positions its assets as a contributor to Canada's critical minerals strategy through mining development.

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Sustainable Composites develops technologies to recycle scrap leather into new materials, creating circular supply chain solutions for companies while supporting their ESG goals. The company uses environmentally friendly processing to maximize waste utilization in the leather and composite materials industry.

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Swift Coat develops nanomaterial spray coating technology called Aerosol Impact Driven Assembly (AIDA) for integrating nanomaterials into large-area, high-volume manufacturing. Its coatings are applied to products in fields such as solar energy modules and spacecraft components.

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Synata Bio develops customizable technology solutions for hydrogen and carbon economies, enabling hard-to-abate industries to achieve decarbonization targets while reducing carbon emissions and creating value from waste resources.

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Talon Metals operates and develops nickel-copper mining assets in the United States, including the Eagle Mine and Humboldt Mill in Michigan and the Tamarack nickel-copper-cobalt project in Minnesota. The company focuses on responsibly producing nickel and copper for U.S. supply chains, spanning active mining operations, ore processing, and exploration.

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TerraVolta Resources is an oil and gas company focused on unlocking American energy resources. The company was founded in 2022 by a team of energy industry veterans with expertise in land management, operations, finance, and technology.

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Terves manufactures lightweight aluminum and magnesium alloys, including proprietary dissolvable metal formulations, from its facility in Euclid, Ohio. Its patented TervAlloy product family is used in dissolvable downhole tools for oil and gas applications.

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