India's Saivens Materials provides high purity nano materials, including CNTs, Graphene and inorganic materials. Saivens' graphene product, branded RexSheet is a high purity (over 90%) graphene sheet with a customized aspect ratio, grown using CVD.
The company does not seem to be in business any more and its web site is down.
Solan Corp was an early-stage startup company based in that US that developed graphene-based applications (including inductors, solar cells, photo-detectors, OLEDs and digital electronics) based on technology that was licensed by Feng Liu, professor and chair of the U's Materials Science and Engineering Department.
The company no longer seems to be in business.
SunVuale was a Canadian-based public company (OTCBB: SVLT) that developed renewable energy solutions.
TW Nano Materials was a supplier of single and multi-layer Graphene Oxide (GO) and Functionalized Graphene Oxide (FGO). The company is no longer in business.
Two Carbon is an advanced material technology company building graphene solutions for the performance athletic and technical outdoor markets.
Two Carbon has split from NanoXplore and states that it is well capitalized and able to pursue developments across the spectrum of graphene suppliers.
United Nanotech Innovations (UNI), owned by Darwish Bin Ahmed Group, was an India-based nano technology company that produced graphene materials and Multi-Walled CNTs.
It seems as if the company is no longer in business.
VG Scienta offers vacuum components, surface science instruments and complete design and manufacture of standard and special vacuum systems for scientific use. The company was established as a merger between Vacuum Generators and Gammadata Scienta.
In 2017 VG Scienta merged with Omicron NanoTechnology to create Scienta Omicron.
Vulvox Nanobiotechnology Corporation, based in Long Island NY is researching and developing manufacturing processes for ultra high strength graphene materials for ballistic armor and structural materials applications. The company is also researching other R&D applications in the areas of power generation, electric motors and high temperature materials processing.
XG Sciences is a private company based in Michigan, US, that develops and producer graphene flakes using technology developed at Michigan State University.
