Tokai Carbon Co., Ltd. (東海カーボン株式会社, Tōkai Kābon Kabushiki-gaisha) is a Japanese company.

The company is a developer and stockist of graphite material for use in nuclear power, particularly electrical discharge machining electrode, high temperature, and mechanical applications.

[7] In 2014 the company acquired Cancarb, a Canadian thermal carbon black producer, from TransCanada Corporation.

[8] In June 2018 Tokai announced the acquisition of Sid Richardson Carbon, the largest manufacturer of furnace black in the US.

Sid Richardson counts Bridgestone, Michelin, Goodyear and Continental AG among its customers.