Overview

Daido Steel Co., Ltd. manufactures specialty steel, high performance materials, magnetic materials, and automobile and industrial equipment parts. It is headquartered in Nagoya, Aichi Prefecture, Japan, and was founded in 1916. The company employs roughly 10,000 to 50,000 people and is publicly listed under ticker 5471.T. It serves the automotive, electric-vehicle, construction, renewable-energy, and industrial equipment sectors. In September 2026, it completed a new forged steel processing line at its Chita No. 2 plant.

At a glance

What Daido Steel Co., Ltd. makes

The company lists steel, forged products, machined components, molds, and sensor and semiconductor-related items among its products, and holds ISO 14001 certification.

Products and capabilities described on the company's own site include Steel, Sensor, Electronics, Forging, LED, Machining, Forged, Mold, Semiconductor (source: daido.co.jp).

Certifications

Daido Steel Co., Ltd. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 14001 — daido.co.jp

Latest developments

• 2026-09-16 — Daido Steel completes new forged steel processing line at Chita No. 2 plant (steelorbis.com)

• 2026-09-09 — Daido Steel and Proterial Begin Joint Long-Distance Round-Trip Transportation with Modal Shift | Proterial, Ltd. (proterial.com)

• 2026-02-02 — Notice concerning Completion of Acquisition of All of the Shares of Nippon Koshuha Steel Co., Ltd. to Make it a Wholly Owned Subsidiary and concerning Completion of Change in a Specified Subsidiary | What's New | DAIDO STEEL (daido.co.jp)

• 2026-01-26 — 日本製鉄株式会社から瀬戸内製鉄所広畑地区向け電気炉プラントエンジニアリングを受注 ～高炉プロセスから電炉プロセスへの転換に貢献～ | プレスリリース | 企業情報 | 大同特殊鋼 (daido.co.jp)

• 2025-10-27 — 知多第2工場に新設したチタン用溶解設備の1基目が稼働開始医療分野向け需要増を見据え、チタン生産能力を増強 | プレスリリース | 企業情報 | 大同特殊鋼 (daido.co.jp)

• 2025-07-02 — Japan’s Daido Steel invests in expanding high-alloy bar production and product quality (steelorbis.com)

Company details

Daido Steel completed the acquisition of Nippon Koshuha Steel Co., Ltd. as a wholly owned subsidiary in February 2026, and its public record does not list specific named customers. Daido Steel Co., Ltd. was founded in 1916, has an estimated 10,000-50,000 employees, and is headquartered in Nagoya, Aichi Prefecture. On the LightSource stability read it is rated "Established & strong": 110 years in operation (founded 1916). Publicly listed; no distress event on record. Holds ISO 14001 certification(s) per public sources.

Frequently asked questions

What does Daido Steel Co., Ltd. make?

Daido Steel Co., Ltd. manufactures specialty steel, high performance materials, magnetic materials, and automobile and industrial equipment parts. It is headquartered in Nagoya, Aichi Prefecture, Japan, and was founded in 1916. The company employs roughly 10,000 to 50,000 people and is publicly listed under ticker 5471.T. It serves the automotive, electric-vehicle, construction, renewable-energy, and industrial equipment sectors. In September 2026, it completed a new forged steel processing line at its Chita No. 2 plant.

Where is Daido Steel Co., Ltd. headquartered?

Daido Steel Co., Ltd. is headquartered in Nagoya, Aichi Prefecture (10, Nagoya, Aichi Prefecture, 461-0005).

When was Daido Steel Co., Ltd. founded?

Daido Steel Co., Ltd. was founded in 1916.

How big is Daido Steel Co., Ltd.?

Daido Steel Co., Ltd. has an estimated 10,000-50,000 employees, with revenue in the 3.6B range.

Is Daido Steel Co., Ltd. publicly traded?

Publicly traded (JPX: 5471.T). Public financial figures are drawn from its filings.

What certifications does Daido Steel Co., Ltd. hold?

Daido Steel Co., Ltd. lists ISO 14001 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.