- Asbury Carbons
- BTR New Energy Material Ltd.
- Shanshan Technology
- Shenzhen Sinuo Industrial Development Co. Ltd.
- Hitachi Chemical Co. Ltd.
- Mitsubishi Chemical Corporation
- Imerys Graphite & Carbo
- MERSEN
- Graphit Kropfmhl GmbH
- Shamokin Carbons
- Showa Denko K.K.
- Jiangxi Zichen Technology Co. Ltd
- GrafTech International
- Lianyungang Jinli Carbon Co. Ltd
- Nippon Carbon Co Ltd.
- Graphite india Limited
- SGL Carbon (Showa Denko K.K.)