주요 선수 : First Graphene Ltd, Graphenea, Haydale Graphene Industries plc, NanoXplore Inc., Talga Group

주요 선수 : 노리트, 쿠라레이 주식회사, 오사카가스케미칼 주식회사, 인지비티, 헤이카브 PLC

주요 선수 : ZHONGZE GROUP, Resonac Holdings Corporation, Fangda Carbon New Material Co., Ltd, GrafTech International, Liaoning Dantan Technology Group Co. Ltd(Dan Carbon)

주요 선수 : Imerys, BTR New Material Group Co., Ltd., GrafTech International, Resonac Holdings Corporation, Tokai COBEX GmbH

주요 선수 : Black Bear Carbon BV, Bolder Industries, Orion Engineered Carbons GmbH, Pyrum Innovations AG, Scandinavian Enviro Systems AB

주요 선수 : Airex Energy, Pyreg GmbH, Carbon Gold Ltd, Phoenix Energy, Biochar Now LLC

주요 선수 : Koppers Inc., Ultramet, ERG Aerospace, CONSOL Energy Inc., Entegris Inc.

주요 선수 : Cabot Corporation, Donau Carbon US LLC, Haycarb PLC, KURARAY CO., LTD., Osaka Gas Chemicals

주요 선수 : JINERGY, Blaschak Anthracite, CHINA SHENHUA, Reading Anthracite Company, Sibanthracite Group

주요 선수 : Cabot Corporation, Aditya Birla Group, Orion Engineered Carbons GmbH, Jiangxi Black Cat Carbon Black Co., Ltd., Tokai Carbon Co. Ltd

주요 선수 : Oxbow Corporation, Rain Carbon Inc, Phillips 66 Company, BP plc, 알루미늄 바레인 BSC(Alba)

주요 선수 : TORAY INDUSTRIES, INC., Toyo Tanso Co.,Ltd., Global Graphene Group, SGL Carbon, SHOWA DENKO KK

주요 선수 : Calgon Carbon Corporation(Kuraray), Desotec, Donau Carbon GmbH, JACOBI CARBONS GROUP, Puragen