Headquarter in New York, is owned and operated by Graphene Laboratories Inc. They have a wide selections of high quality graphene products and including Graphite, layered materials, CVD graphene, Graphene TEM grid, wafers, graphite etc.
https://graphene-supermarket.com/home.php

Headquarter in Spain, is one of Europe’s main producers of graphene. They have a wide selections of high quality graphene products and including Graphene oxide, Reduced Graphene Oxide Film, CVD graphene on different substrate etc.
http://www.graphenea.com/

NanoComposix is a world leading manufacturer of precisely engineered and highly characterized nanoparticles. NanoComposix mission is to help our customers bring nanotechnology enabled products to market. Their multi-disciplinary technical teams provide rapid prototyping, characterization, integration, and scale-up solutions to accelerate R&D and commercialization for a wide variety of application areas including biodiagnostics, topical therapeutics, nanomedicine, antimicrobial coatings, and color engineering.

They have wide range of nanoparticles in powders, dispersion, core shell nano particles of Gold, Silver, Silica, Titania, Platinium, Magnetic, Plasmonic etc. These nanoparticles are ultra high pure and find wide applications in various product.
https://nanocomposix.com/

The Fuel Cell Store is the ultimate destination for all your fuel cell needs. They offer the widest selection in Gas Diffusion Layers, Gas Diffusion Electrodes, Catalysts and Membranes, as well as the newest products and technologies from renowned international vendors. Whether it is education, science, or leisure, they are committed to offering high quality fuel cell solutions. The Fuel Cell Store has also recently integrated Science, Technology, Engineering, and Mathematics (STEM) curriculum into a wide variety of our products! Their goal at The Fuel Cell Store is to encourage students, teachers, and hobbyists around the world to “go green” and learn and utilize sustainable, renewable energy.          https://www.fuelcellstore.com/

 

Platypus Technologies are experts in surface science. They provide a range of cell assays and thin film solutions for various industries. Platypus Technologies, LLC develops medical products. The Company offers cell based assays, sensors, gold thin films, and glass cutting products. Platypus Technologies operates in the United States.
http://www.platypustech.com/

Manchester Nanomaterials: Head Office at 83 Ducie Street, Manchester M1 2JQ, UK

MN is specialize in providing the highest quality single-crystal layered materials for your needs in research and development.Hexagonal boron nitride (hBN), Molybdenum disulfide (MoS2), Molybdenum diselenide (MoSe2),Tungsten disulfide (WS2), Tungsten diselenide (WSe2), Tungsten ditelluride (WTe2), Gallium Selenide (GaSe), Lead Tin Sulfide (PbSnS2).
http://mos2crystals.com/

Graphene Platform Corporation (GPC) is the global leader in CVD Graphene, Graphene dispersion, 3D Graphene, Graphene powders, Functionalized Graphene etc. Headquartered in Tokyo, Japan, Graphene Platform is a provider of high-quality monolayer and multilayer CVD graphene materials to academic and corporate researchers. In addition to standard samples, the company provides tailor made sample service and is capable of transferring graphene onto nearly any substrate.
http://grapheneplatform.com/