New Materials Startups

Senergy Innovations develops sustainable energy and material products, including solar thermal systems for solar hot water (SenerSol) and thermally conductive polymers aimed at low-carbon applications (SenTherm). The company operates in the cleantech and advanced materials space.

2 investors

Sensorygen uses computational biology and AI to screen millions of natural compounds and predict their interactions with sensory receptors, aiming to find natural replacements for harsh or toxic ingredients in everyday products. It serves companies in consumer products, agriculture, and beverages through licensed patents and digital screening platforms.

2 investors

Seprify produces functional cellulose-based ingredients from renewable plant resources for industrial applications, offering biodegradable cellulose particles that serve as lower-carbon alternatives to conventional materials such as titanium dioxide. The company targets formulators and industrial users seeking natural, high-performance material inputs.

2 investors

The Shell Works produces VIVOMER, a biodegradable biomaterial created through microbial fermentation of agricultural and industrial waste that mimics the performance of conventional plastic but breaks down safely when discarded. The company serves brands seeking sustainable packaging solutions compatible with existing manufacturing processes.

2 investors

The Silbitz Group operates iron and steel foundries in Europe that cast precision products weighing up to 120 tonnes from recycled material, including hub components for wind turbines and axle housings for trains. It positions itself as a supplier to Europe's energy transition and public-safety infrastructure.

2 investors

Silicozyme develops customizable enzymatic toolkits for biologics refinement and general processing applications. Its enzymes are engineered for performance, stability, and resilience to serve industrial and biotech processing needs.

2 investors

Silvis Materials develops a bio-based, patent-pending adhesive binder derived from sustainable cellulose that replaces petroleum-based adhesives in building products and packaging. The material reduces carbon emissions by up to 80% in building products and up to 40% in packaging while enabling recycling of previously unrecyclable materials.

2 investors

Sion Power develops lithium-metal batteries through its patented Licerion platform, offering high energy-density cells for defense, aerospace, and electric vehicle applications. Originally a Brookhaven National Lab spin-off, the company runs R&D, testing, and pilot production at its Tucson, Arizona facility.

2 investors

Sironix Renewables is a Seattle-based manufacturer of plant-based, high-performance molecules and surfactants made from agricultural waste, intended to replace petrochemical ingredients. It serves consumer product manufacturers and formulators in industries such as personal care, cleaning, and agriculture.

2 investors

SisuSemi provides an atomic-level purification process (ALP) that cleans and orders semiconductor wafer surfaces to remove atomic-scale contaminants and defects, targeting advanced nodes at 3 nm and below. The technology, aimed at semiconductor manufacturers, reduces defect density and leakage current to improve chip performance and manufacturing yield, and integrates into existing production lines.

2 investors

Skouria applies geothermal engineering principles to develop hydrometallurgical systems for mineral extraction. The company uses stimulation and lixiviant technologies to engineer subsurface reservoirs for mining operations.

2 investors

SKYDEX engineers patented impact-protection technology used across applications including footwear, fall protection, athletic gear, vehicle blast protection, and soldier body armor. It serves defense and military customers such as the U.S. Marine Corps, as well as industries like sports stadiums, film sets, and construction.

2 investors

Smarter Alloys develops Multiple Memory Material technology, a platform based on shape memory alloys that enables devices to function with previously inaccessible capabilities across medical, wearable, and industrial applications. The company serves manufacturers and product designers seeking lighter, more reliable, and smarter materials solutions.

2 investors

Smile Plastics (Smile Materials) makes recycled panel materials and solid surfaces for commercial interiors, turning waste streams such as plastics and reclaimed solid surface into durable panels for worktops, vanities, furniture and joinery. It serves hospitality, workplace, retail and residential design projects, with a focus on sustainability, circularity, and verified environmental accreditations.

2 investors

Solabia is a producer of raw materials including ingredients, active ingredients, culture media, and diagnostic kits for the cosmetics, pharmaceutical, nutraceutical, and biotechnology industries. The group serves manufacturers in these sectors with a focus on innovation, sustainability, and responsible growth.

2 investors

Solaires develops next-generation solar cells through a team of scientists, engineers, and business professionals. The company focuses on solar cell technology within the clean energy sector.

2 investors

Solid Carbon develops carbon-based building materials for use in concrete and construction to reduce embodied carbon in infrastructure. The company operates at the intersection of climate strategy, construction constraints, and materials science.

2 investors

Sophomer is a Czech biotech company developing in vitro diagnostics (IVD) products, working in partnership with academic labs on the design and synthesis of new polymers. It collaborates with the Institute of Macromolecular Chemistry and other research institutions on diagnostics development.

2 investors

SōRSE Technology develops functional ingredient solutions for consumer packaged goods and food & beverage companies, designed to blend with flavor profiles while delivering safe, stable, and scalable products that meet consumer demand.

2 investors

South 8 develops lithium-ion battery cells and electrolyte systems using patented liquefied gas electrolyte technology designed for extreme-temperature and defense applications. The company offers both direct-to-customer battery cells and an electrolyte injection system for cell manufacturers.

2 investors

Spartech engineers and manufactures plastic sheet and specialty materials, sourcing most raw materials in the United States and operating facilities close to its customers. The company focuses on custom, sustainable, and high-performance plastic solutions developed through its materials science and engineering expertise.

2 investors

SRTX develops advanced materials and software to improve textiles, beginning with Sheertex, a knit made from one of the world's strongest polymers. Its first application is highly durable pantyhose in the hosiery market.

2 investors

Starstech makes ECO-ST1, an eco-friendly de-icing/snow-melting agent designed to reduce the indirect costs of snow removal while limiting steel corrosion, concrete damage, and harm to plants, marine ecosystems, and pets. The product is marketed for road, bridge, and infrastructure winter maintenance.

2 investors

Starstone develops a biogenic, low-carbon cement and concrete replacement using natural biomineralization and cementation processes as an alternative to traditional cement production. It targets producers and builders across the construction value chain seeking to reduce carbon emissions and dependency on quarries and kilns.

2 investors