Overview

OSG Corporation is a metal fabrication and cutting tool manufacturer headquartered in Toyokawa, Aichi Prefecture, Japan. Founded in 1938, it is publicly listed and employs between 5,000 and 10,000 people. The company supplies precision machining tools, including taps, drills, end mills, and indexable tools, to the automotive, electric-vehicle, electronics, medical, plumbing-hardware, and renewable-energy industries. In June 2025 it opened a new facility for its EX-CELL-O subsidiary in Germany.

At a glance

What OSG Corporation makes

OSG holds AS9100, ISO 9001, and ISO 14001 certifications and offers products across machining, tooling, and mold categories.

Products and capabilities described on the company's own site include Machining, Tooling, Emissions, Mold (source: osg.co.jp).

Certifications

OSG Corporation is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• AS9100 — osg.co.jp

• ISO 14001 — osg.co.jp

• ISO 9001 — osg.co.jp

Latest developments

• 2026-07-15 — Press Release – OSG Blog (osgblog.com)

• 2026-01-26 — 6757 OSGコーポレーション | 「銀座に志かわ」海外戦略における戦略的パートナーシップ構築のお知らせ（2026/01/26 13:00提出） | IRBANK (irbank.net)

• 2025-11-28 — Macnica Provided Macnica ASM to OSG to Help Strengthen Global Security Governance - Security Business -Macnica (macnica.co.jp)

• 2025-08-14 — OSG、インドに金型受託コート新工場 来年3月稼働 | 日刊工業新聞 電子版 | インド ｜ KURAGE online (johocloud.net)

• 2025-06-26 — OSG EX-CELL-O Celebrates Grand Opening of New State-of-the-Art Facility in Germany – OSG Blog (osgblog.com)

• 2025-06-17 — OSG Corporation Extends Contract with Rimini Street Through 2029 (riministreet.com)

Company details

OSG is publicly listed under ticker 6136.T and reports revenue in the range of 1 billion dollars. OSG Corporation was founded in 1938, has an estimated 5,000-10,000 employees, and is headquartered in Toyokawa, Aichi Prefecture. On the LightSource stability read it is rated "Established & strong": 88 years in operation (founded 1938). Publicly listed; no distress event on record. Holds AS9100, ISO 14001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does OSG Corporation make?

OSG Corporation is a metal fabrication and cutting tool manufacturer headquartered in Toyokawa, Aichi Prefecture, Japan. Founded in 1938, it is publicly listed and employs between 5,000 and 10,000 people. The company supplies precision machining tools, including taps, drills, end mills, and indexable tools, to the automotive, electric-vehicle, electronics, medical, plumbing-hardware, and renewable-energy industries. In June 2025 it opened a new facility for its EX-CELL-O subsidiary in Germany.

Where is OSG Corporation headquartered?

OSG Corporation is headquartered in Toyokawa, Aichi Prefecture.

When was OSG Corporation founded?

OSG Corporation was founded in 1938.

How big is OSG Corporation?

OSG Corporation has an estimated 5,000-10,000 employees, with revenue in the 1B range.

Is OSG Corporation publicly traded?

Publicly traded (JPX: 6136.T). Public financial figures are drawn from its filings.

What certifications does OSG Corporation hold?

OSG Corporation lists AS9100 · 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.