New Materials Startups

SiderforgeRossi is a manufacturer with over 100 years of experience that produces industrial products for oil & gas, wind power, railways, marine, machinery, and nuclear applications.

1 investor

SIGMA manufactures water infrastructure products including fittings, restraints, castings, and enclosures for municipal and utility applications.

1 investor

Si-Lib develops pure silicon anodes for lithium-ion batteries, a materials technology aimed at energy-storage applications. The company originated from research at Tel Aviv University.

1 investor

Silicon Quantum Computing develops fault-tolerant quantum processors using atomic-scale manufacturing techniques, targeting applications in AI acceleration, quantum simulation, and quantum computing. The company builds a full-stack solution from processor fabrication through control systems and software.

1 investor

Silver Storm Mining Ltd. is a publicly traded mineral exploration and mining company whose investor page provides its consolidated financial statements and MD&A filings. It is a Canadian-listed mining company (formerly Golden Tag).

1 investor

SILVERbac is a patented antimicrobial textile technology that permanently incorporates pure silver particles into fibres, making the treatment non-leaching, non-toxic, and eco-friendly. Developed by Novel Technologies, it is aimed at the textile industry and marketed as a sustainable material innovation.

1 investor

SILVEX applies a conductive coating to textiles that provides electromagnetic field shielding while maintaining the fabric's original feel and appearance. The dip-and-dry process integrates into existing textile manufacturing workflows for consumer apparel, automotive, aerospace, military, and healthcare applications.

1 investor

Simplyfined develops a catalytic process to standardize renewable plant oils so they can replace petroleum in catalytic chemical reactions, enabling more sustainable chemical production. Its output serves manufacturers of consumer and industrial goods such as shampoos, mattresses, printer inks, lubricants, and surface coatings.

1 investor

Simreka provides an AI-driven R&D platform for chemicals, materials, and manufacturing companies, using virtual experimentation and simulation to accelerate product formulation and process discovery. The platform includes a domain-specific language model trained on chemical patents and technical literature, with deployment options for cloud or on-premise environments.

1 investor

Sindri Materials develops a scalable production process for ultra-high-quality monolayer graphene with low contamination and defects. Its initial application is graphene support grids for cryo-electron microscopy used in drug discovery, vaccine development, and disease research, with longer-term aims in electronics, energy storage, and structural materials.

1 investor

Singletto develops Oxafence Active Protection™, a materials-applied antimicrobial technology integrated into protective materials such as masks, using photodynamic approaches to enable active microbial inactivation during use. The company licenses its platform technology to healthcare, operational, and emerging markets where traditional antimicrobial solutions have proven limited.

1 investor

Singular Solutions manufactures BioSustainable additives, compostable compounds, and functional masterbatches for plastic applications, along with custom development and laboratory testing services. The company also designs and manufactures dosing systems for plastics and chemicals, and recycling systems for film and trim recovery.

1 investor

Zhejiang Sinopont Technology, founded in 2006, develops, manufactures, and sells encapsulant films for photovoltaic solar modules, including POE, EPE, white film, and EVA product lines with customization options. It serves the solar/new energy industry and operates production bases in central and eastern China, with additional domestic and overseas facilities in development.

1 investor

Sinovia Technologies makes thin, flexible printed OLED displays using roll-to-roll printing, offering low-power, low-cost visual indicators for space- and power-constrained smart and IoT products. It targets hardware builders, product designers, and contract manufacturers, and is moving from demos and customer collaboration toward mass production.

1 investor

Sionic Energy develops a 100% silicon anode battery platform delivered as a licensable IP service, designed to drop into existing 21700, pouch, and prismatic cell manufacturing lines without new equipment. It targets OEMs in electrification markets including aviation, consumer electronics, e-mobility, automotive EVs, and grid storage, offering higher energy density (370 Wh/kg) and fast charging as an alternative to graphite anodes.

1 investor

SipNShut makes reclosable, spill-proof aluminum can lids that drop into existing high-speed canning lines, aimed at beverage brands across categories such as water, energy drinks, beer, seltzers, wine, and CBD/THC drinks. The product offers a fully recyclable alternative to plastic packaging with the reclosability of plastic lids.

1 investor

Akervall Technologies manufactures premium mouthguards under the SISU brand, using advanced materials and engineering for athlete protection and comfort. The company focuses on sports equipment innovation with emphasis on quality and customer service.

1 investor

SixLine Semiconductor develops carbon nanotube processing and deposition methods to produce semiconductor-grade materials for high-performance, lower-cost semiconductor devices. Its technology targets extending Moore's Law and enabling high-frequency analog circuits, and is compatible with legacy process nodes and high-volume manufacturing fabs.

1 investor

Sixone recycles post-consumer polyester-blended textile waste into high-quality PET pellets, using AI and data-driven technology to selectively extract polyester from chemically complex blended fabrics. It supplies drop-in recycled polyester to apparel brands and textile manufacturers pursuing materials circularity goals.

1 investor

SJC Bio develops resorbable polymer-ceramic composite biomaterials for dental and craniofacial surgical applications, with its lead product OsseoCem providing immediate structural stability for bone grafting procedures.

1 investor

Company that produces complex ceramic components using a stereolithography (slurry-based) 3D printing process, in which ceramic powder is mixed with UV-curable resin, shaped layer by layer with a UV laser, then debinded and sintered. It targets applications such as electronic parts, medical devices, heat dissipation, aerospace, energy, and environmental components that are difficult to make with conventional methods.

1 investor

SKion Water is a global water and wastewater technology company that acquires and manages a portfolio of firms providing treatment solutions to municipalities and industrial users. The company develops and implements innovative water technologies while operating multiple subsidiary companies across the water sector.

1 investor

Skyscrape develops temperature-responsive fabrics that change shape with temperature to provide adaptive insulation, becoming thicker to insulate more as temperatures drop and thinner as they rise, without wires or sensors. The materials are used in clothing to extend thermal comfort across a wider temperature range, with early use in apparel such as Ralph Lauren's 2022 Team USA Winter Olympics opening ceremony outfits.

1 investor

An Australian supplier of cell-culture bioprocessing materials, offering synthetic and dissolvable microcarriers, methacryloyl hydrogels, microfluidic devices, and related lab reagents and equipment. Its products serve life-science research and applications such as vaccine production, cultivated meat, and regenerative medicine.

1 investor