Overview

D.I.D (Daido Kogyo Co., Ltd.) manufactures and distributes roller chains and conveyor chains, along with related products and technical support. The company is headquartered in Waynesville, Ohio, United States, and was founded in 1933. It employs an estimated 200 to 500 people and is privately held. Its chain drive products serve the automotive and industrial equipment industries. In February 2026, its parent, Tsubakimoto Chain, published a notice on financial results relating to Daido Kogyo as a delisted subsidiary.

At a glance

What D.I.D - Daido Kogyo Co. makes

The company holds ISO 9001 and ISO 14001 certifications and specializes in roller chain and conveyor chain manufacturing for power transmission applications.

Certifications

D.I.D - Daido Kogyo Co. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 14001 — did-coltd.com

• ISO 9001 — did-coltd.com

Latest developments

• 2026-02-06 — Tsubakimoto Chain : Notice Regarding Disclosure of Financial Results Concerning Delisted Subsidiary (Daido Kogyo Co., Ltd.) | MarketScreener (marketscreener.com)

• 2025-11-14 — 大同工業、インドでエンジン内チェーン部品の現地生産、ニムラナ工業団地で新工場棟を増設 | kikai-news.net (kikai-news.net)

• 2025-11-13 — DAIDO KOGYO, First Half Ordinary Profit Increases by 5%, Jul-Sep Ordinary Profit Increases by 79% - Kabutan (kabutan.com)

• 2025-09-25 — Daido Kogyo Co., Ltd. agreed to acquire Agricultural machinery wheel business of RING TECHS CO., LTD. | MarketScreener (marketscreener.com)

• 2025-05-20 — Breaking into New Markets: Export of Drive Chain CG 125 (DXN Series) to Vietnam - Atlas DID (atlas.pk)

• 2025-05-15 — Notice Regarding Execution of Business Integration Agreement and Share Exchange Agreement (Simplified Share Exchange) for Business Integration of Tsubakimoto Chain Co. and Daido Kogyo Co.,Ltd'D.I.D'. - DID vietnam.com.vn (didvietnam.com.vn)

Company details

Daido Kogyo's estimated revenue falls in the $250 million to $500 million range, and in September 2025 it agreed to acquire the agricultural machinery wheel business of RING TECHS CO., LTD. D.I.D - Daido Kogyo Co. was founded in 1933, has an estimated 200-500 employees, and is headquartered in Waynesville, Ohio. On the LightSource stability read it is rated "Established & active": 93 years in operation (founded 1933). Holds ISO 14001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does D.I.D - Daido Kogyo Co. make?

D.I.D (Daido Kogyo Co., Ltd.) manufactures and distributes roller chains and conveyor chains, along with related products and technical support. The company is headquartered in Waynesville, Ohio, United States, and was founded in 1933. It employs an estimated 200 to 500 people and is privately held. Its chain drive products serve the automotive and industrial equipment industries. In February 2026, its parent, Tsubakimoto Chain, published a notice on financial results relating to Daido Kogyo as a delisted subsidiary.

Where is D.I.D - Daido Kogyo Co. headquartered?

D.I.D - Daido Kogyo Co. is headquartered in Waynesville, Ohio (Follower's Way, Waynesville, Ohio, 45068).

When was D.I.D - Daido Kogyo Co. founded?

D.I.D - Daido Kogyo Co. was founded in 1933.

How big is D.I.D - Daido Kogyo Co.?

D.I.D - Daido Kogyo Co. has an estimated 200-500 employees, with revenue in the $250-500M range (estimated).

What certifications does D.I.D - Daido Kogyo Co. hold?

D.I.D - Daido Kogyo Co. lists ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.

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Last verified Nov 2026. Is this your company? Request a correction.