2D Carbon Graphene Material Co Ltd
ACS Material, LLC
Advanced Graphene Products SA
Applied Graphene Materials PLC
Avanzare Innovacion Tecnologica S.L.
BGT Materials Limited
Directa Plus S.p.A.
Enerage Inc.
First Graphene Ltd.
G6 Materials Corp.
Global Graphene Group (G3)
Grafoid, Inc.
Grolltex, Inc.
Haydale Graphene Industries PLC
Layerone AS
Levidian Nanosystems
Nanjing Xfnano Materials Tech Co Ltd
Nanoxplore, Inc.
The Sixth Element (Changzhou) Materials Technology Co Ltd
Thomas Swan Ltd
Versarien™ PLC