New Materials Startups

Helicon Industries manufactures advanced composite parts for unmanned systems.

1 investor

HempWood makes a hemp-based wood substitute and sustainable building supplies, including flooring, furniture, and general construction materials made from non-toxic hemp composite. Its products, produced by Fibonacci, LLC, are marketed as an eco-friendly alternative to domestic hardwoods such as American white oak.

1 investor

Henkel operates two business units: Henkel Adhesive Technologies, which develops adhesive, sealant, and functional coating solutions for over 800 industry segments, and Henkel Consumer Brands, which offers laundry, home care, and personal care products. It serves industrial customers as well as consumers.

1 investor

Hennecke is a global technology and systems partner providing industrial production and process technology for the polyurethane industry. It develops polyurethane processing machinery and solutions for manufacturers, along with related engineering and service support.

1 investor

HeXalayer develops and supplies advanced materials—including turbostratic graphene and other carbon materials—for research and product development in electrochemistry, conductive and thermal composites, sensing, catalysis, coatings, and energy storage. It provides materials backed by analytical characterization (HRTEM, Raman, XRD, FTIR, EDS) in research quantities and custom or bulk supply for researchers, universities, national laboratories, and battery developers.

1 investor

Hexcel produces carbon fiber, honeycomb, and other composite materials for the commercial aerospace, space, and defense industries, and also supplies composites technologies to industrial markets. It is a large supplier of aerospace carbon fiber and serves U.S. military programs.

1 investor

Hexion is a materials company operating an R&D lab (The HIL) where scientists, engineers, and technical staff develop new products, with a focus on sustainability and process automation. The page is a careers/recruiting page describing the company's culture, internship program, and hiring initiatives.

1 investor

HGGS LaserCUT is a contract metal fabrication company specializing in sheet metal processing, machining, and assembly of complex components. As an original equipment supplier, it serves manufacturers in commercial vehicles, agricultural machinery, motorcycles, and caravanning.

1 investor

HGS produces humic substance-based agricultural biologicals in liquid, granule, and low-use-rate powder formulations designed for growers to tank mix or apply to soil. Operating manufacturing and mining sites in New Mexico's Menefee Formation, it combines HGS, Earthgreen, NutriAg, and Pharmgrade into one platform and sells its products in more than 40 countries.

1 investor

PACT develops earth-positive bio-based materials for fashion and consumer brands, focusing on scalable, sustainable alternatives to conventional materials. The company operates a research and development laboratory and pilot manufacturing facilities to scale up its biomaterials for partner brands.

1 investor

HiQuTe Diamond produces ultra-high-quality synthetic diamond plates and wafers, including boron-doped, ultra-pure, and NV-center diamonds, for use in electronics, quantum computing, and quantum sensing. Its technology stems from research at LSPM-CNRS and targets high-technology industries seeking alternatives to silicon-based materials.

1 investor

A Japanese company operating administrative, sales, and CAD offices along with branch sales locations across the Saitama and Tokyo areas, with what appears to be a construction/engineering-related operation given its CAD room and construction division.

1 investor

Hoffmann + Voss produces recycled plastic materials and thermoplastic compounds for industrial customers, including the automotive sector. Operating since 1962, the company runs quality-control testing such as infrared spectroscopy and X-ray fluorescence analysis and emphasizes sustainability by reducing industrial waste.

1 investor

Hoffmaster manufactures premium single-use tableware and baking products, including napkins, paper plates, tablecovers, pan liners, food wrap, and party décor, offering custom design and print options. It serves foodservice and consumer/retail customers across North America through more than 30 product categories.

1 investor

1 investor

Holyvolt develops a screen-printing manufacturing platform combined with high-throughput material discovery for producing next-generation battery and thin-film solar cells. Its technology prints solar cells under ambient conditions and builds battery cells layer-by-layer across different chemistries, aiming for lower-cost, lower-emission, localized production.

1 investor

Higg Index provides sustainability measurement tools for the apparel, footwear, and home textile industry, covering facilities, materials, products, and brand/retailer operations across environmental, social, and governance impact areas. The tools serve brands, retailers, and manufacturers to measure and improve yearly sustainability performance in categories such as water, energy, chemical management, and employee safety.

1 investor

HPNow produces hydrogen peroxide (Peroxide UltraPure) on-site through a patented electrochemical process that converts water, electricity, and air into low-concentration, high-purity peroxide for water treatment. Its systems serve industries such as agriculture irrigation, cooling tower treatment, and wastewater management, offering a chemical-free alternative to transported peroxide.

1 investor

HTBA produces naturally sourced ingredients, specializing in flavonoids and active forms of Vitamin B12, using green-chemistry manufacturing processes. It serves the pharmaceutical, functional health, taste modulation, and animal nutrition markets from facilities in Spain and the United States.

1 investor

Huminly uses engineered enzymes to separate mixed poly-cotton textile waste into pure polyester monomer and pure cotton, enabling textile-to-textile recycling. Its process is designed to co-locate with manufacturers and clients and aims for cost parity with virgin materials at scale.

1 investor

Hybron develops composites manufacturing technology, with all production based in the United States. The company positions itself as offering faster, lower-cost, and more scalable composites manufacturing.

1 investor

HyC Light uses a light-driven methane photolysis process to co-produce carbon nanotubes and clean hydrogen. Its carbon nanotubes target applications such as copper-wiring replacement and battery technology, while its hydrogen is aimed at industries including fertilizers, polymer manufacturing, and oil refining.

1 investor

Japan Hydro Powtech develops proprietary hydrolysate manufacturing technology to convert previously discarded food materials into edible products without chemical treatment and with low energy use. Its process supports allergen-free labeling and applications in alternative dairy and alternative meat, serving food product developers.

1 investor

Hydrogen in Motion (H2M) develops solid-state hydrogen storage materials and systems, including conformable nanomaterial storage tanks and on-site systems that convert renewable energy into storable hydrogen fuel. Its technology targets applications from drones and mobile uses to grid-scale renewable energy storage and off-grid power for remote communities.

1 investor