New Materials Startups

SphereCube develops a patented automated 3D-printing process called Thermal Laser Curing for producing high-performance continuous-fiber composite parts with thermosetting matrices, eliminating the need for molds and autoclaves. It targets industries such as automotive, aerospace, marine, sports equipment, and orthopedic prosthetics, offering lightweight custom components at lower production cost.

1 investor

Spiber develops next-generation biomaterials based on structural protein technology, producing polymers through fermentation for applications across lifestyle, beauty, food, and healthcare products. The Japanese company operates a production plant in Thailand and a materials sales branch in Europe.

1 investor

Spintex, a 2018 University of Oxford spinout, develops bioinspired spinning technology and silk-based materials for sustainable and technical textiles. The company draws on silk and polymer science to create fiber materials.

1 investor

Spoontainable produces edible and sustainable single-use tableware such as spoons, straws, plates, cups, and bowls as alternatives to plastic and PLA products, marketed to food-service businesses like ice cream parlors and restaurants. It is a wholly owned subsidiary of Stroodles Limited.

1 investor

Spray-Tek is a contract manufacturing company specializing in specialty ingredient processing and microencapsulation delivery systems. Since 1981, it has served customers in household cleaning, personal care, and other consumer product industries.

1 investor

Spring Copenhagen produces decorative wooden figurines and home décor items, including Polly, a handcrafted panda sculpture made from FSC-certified wood.

1 investor

Spuntech manufactures non-woven fabric using high-pressure water jet technology, offering customized sustainable products for industrial customers.

1 investor

St3ms develops performance yarns and textiles made from banana plant pseudostem fibers, offered as a microplastic-free, natural alternative to cotton-poly blends. It supplies these materials to consumer brands in performance wear, home textiles, and footwear, and its yarns are designed to run on traditional short-staple spinning lines.

1 investor

Standard Lithium Ltd. is a lithium development company. This page is an investor stock information and email-subscription page, offering limited detail about the company's operations.

1 investor

Standard Biocarbon produces engineered biochar from renewable sawmill residuals sourced in Maine, using pyrolysis technology at a facility alongside Pleasant River Lumber in Enfield. Its products serve soil improvement, agriculture, filtration, water treatment, remediation, livestock, turf, and industrial material applications for customers ranging from local growers to large-scale industry.

1 investor

StandardX builds an isotope refinery platform for sovereign production of medical and industrial isotopes in the UK and Europe, replacing fragmented supply chains with a single compact system designed initially for cancer care applications.

1 investor

Stärke Advanced Manufacturing Group is a networked group of three manufacturing companies in Australia and the USA offering end-to-end advanced manufacturing services, including design, prototyping, metal and plastic additive manufacturing, precision machining, tooling, plastic injection moulding, and fabrication. It serves clients across multiple industries with turnkey product and system assembly solutions.

1 investor

StealthCase develops glass antenna technology and passive signal repeaters integrated into building materials to enhance mobile connectivity in energy-efficient buildings. The company licenses its patented solutions to manufacturers globally, with over 100,000 products deployed across Nordic markets.

1 investor

Stealth Manufacturing is a full-service gas burner and component manufacturer serving OEMs and appliance makers in heating, cooking, and HVAC industries. The company operates a 60,000 sq. ft. facility in Minnesota offering custom design, engineering, tube bending, laser cutting, welding, and metal fabrication capabilities.

1 investor

Stedfast manufactures advanced protective barrier materials for industrial and safety applications across multiple industries. Founded in 1930, the company operates state-of-the-art facilities in Tennessee and Quebec focused on material science and protective technologies.

1 investor

Steelike develops and commercializes an ultra-high performance concrete (UHPC) mix design used in infrastructure and architectural applications such as bridge deck overlays, precast connections, and structural repairs. Its Steelike UHPC product meets Federal Highway Administration standards and is sold in the US construction market.

1 investor

Steel Pro provides structural and miscellaneous steel fabrication services, including custom metalwork, galvanizing, and 3D design coordination for construction projects. The company operates a 175,000 sq ft facility with manual and semi-automated fabrication capabilities.

1 investor

The Stellenbosch Nanofiber Company (SNC) develops and manufactures products based on electrospun nanofiber technology, using its patented high-throughput electrospinning platform to take customers' nanofiber concepts to commercial-scale, regulatory-compliant production. It serves customers across industries including filtration, biomedical and healthcare, energy, electronics, cosmetics, and textiles.

1 investor

StemBond makes SENCE, a range of cell culture well plates (6 to 96 wells), coverslips and inserts pre-coated with a proprietary animal-free hydrogel tuned to tissue-relevant stiffnesses. The synthetic, xeno-free surfaces are sold as reorderable consumables to researchers and biotechs to reduce variability and improve reproducibility in standard cell culture workflows.

1 investor

Stem Pharm develops therapeutics using stem cell technology for disease treatment and drug discovery. The company serves pharmaceutical and biotech partners seeking advanced cell-based approaches to translational drug development.

1 investor

Stenbolaget is a Swedish supplier of crushed stone and construction materials delivered directly to customers' sites via dump truck. The company specializes in materials like stone flour (stenmjöl) used for landscaping, paving foundations, and hardscaping projects.

1 investor

Kempf Company is a distributor of building and construction materials, offering products such as drywall, tile backer, cement board, insulation, steel framing, fasteners, and tools for construction professionals. It operates an online catalog and pro portal with local pickup and shipping options.

1 investor

Standard Energy develops vanadium ion battery technology for the energy storage market, departing from conventional battery approaches to create novel battery chemistry solutions.

1 investor

Stoked Plastics develops recycled plastic material from collected ocean waste, particularly water bottles, for use in injection-molded products. The material is marketed as a sustainable alternative to virgin plastic for manufacturers seeking to meet ESG commitments and environmental responsibility goals.

1 investor