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/

Leading manufacturer of various analytical instrument like UV-Vis Spectrophotometer, Xenon Spectrophotometer, Touch Screen Spectrophotometer, Accessories, pH Meter, Conductivity Meter, Dissolved Oxygen Meter, Multi-Parameter Meter, ISE Meter, Turbidity Meter, Colorimeter, Stirrer etc.
http://www.peakii.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/

Headquartered in Poland, Advanced Graphene Products is a premier nanotechnological company of Europe. They are a producer and supplier of the highest quality large-area graphene – HSMG® – High Strength Metallurgical Graphene®. AGP is a spin-off company from the Lodz University of Technology. With the cooperation with the Institute of Materials Science and Engineering, they have developed a unique graphene production method – growth on liquid metal.

Advanced Graphene Products has recently introduced a new line of products – High purity graphene oxide water solutions.
www.advancedgrapheneproducts.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/