Osaka Migaki

What Osaka Migaki does

Osaka Migaki Co., Ltd. (大阪ミガキ株式会社) is a Japanese specialty steel processor founded in 1941 (with origins tracing to the Meiji era) that manufactures and directly sells polished steel bars (みがき棒鋼) in round, hexagonal, square, and flat configurations. The product range spans 24+ grades including general structural steel (SS400/SGD3M), carbon steel (S35C, S45C, including tempered S45CH), alloy steel (SCM415, SCM435, including tempered SCM435H), free-cutting steel (SUM series), stainless steel (SUS304, SUS303), tool steel (SK4F-G), and a proprietary lead-free clean-cut chromium steel (CC12C14/OM24CC). The company holds JIS marking permission (since February 1954) and ISO 9001:2015 certification (since February 2018), positioning it as a qualified supplier to Japanese industrial OEMs.

The business operates a vertically integrated production model at its single Shiga factory, where monthly capacity of 2,000 tons and a 1,000-ton finished-goods inventory feed four regional sales/delivery hubs (Osaka, Mie, Hyogo, Shiga) covering Kansai, Chubu, Hokuriku, Chugoku, Shikoku, Kyushu, and Kanto. A company-owned delivery fleet enables same-day and next-day fulfillment with a 300 kg minimum production lot, a service profile aimed at manufacturers needing small, rapid replenishment rather than large mill orders. Distribution is entirely direct-sales via in-person regional offices and the company website, with no third-party channel partners identified.

The company is a wholly-owned subsidiary of San-Yu CFS Co., Ltd. (part of the broader Sankyu Group steel conglomerate) since November 2018. Revenue is generated through one-time sales of finished steel bar products priced per quote based on grade, dimension, and quantity; pricing is not publicly disclosed. With approximately 70 employees, the company is mid-sized by Japanese specialty steel standards and is currently executing a forward expansion that adds a Hyogo sales office (July 2025) and a new Shiga Machining Center with 5-axis CNC capability (June 2026), extending the business from raw bar supply into finished machined parts.

Name

Osaka Migaki

Legal name

Osaka Migaki Co., Ltd. (大阪ミガキ株式会社)

Website

https://osakamigaki.co.jp

Company type

Private

Founded year

1941

Operating status

Operating

Headcount range

51–100 employees

Short description

Osaka Migaki (大阪ミガキ株式会社) is a Japanese specialty steel manufacturer founded in 1941 that produces polished steel bars in 24+ grades and multiple shapes, distributing via four regional sales offices with same-day delivery to industrial manufacturers across western Japan.

Ownership category

akta.pro rank

Product category

Steel Products & Industrial Materials

NAICS

Rolling and Drawing of Purchased Steel (33122), Machine Shops (332710)

SIC

Steel Works, Blast Furnaces & Rolling & Finishing Mills (3310), Wholesale-Metals Service Centers & Offices (5051)

akta.pro primary industry

Steel Service Centers & Processing (Slitting, Cut-to-Length, Blanking, Leveling) (IMAKABAL)

akta.pro secondary industries

Cold Rolling & Finishing (Cold-Rolled Coil/Sheet, Temper, Skin Pass) (IMAKABAF), Specialty & Alloy Steel (Stainless, Tool Steel, Electrical Steel, High-Strength/HSLA) (IMAKABAJ)

Keywords

• CNC machining services
• Industrial steel supply
• Polished steel bars
• Steel bar manufacturing
• Free-cutting steel

Headquarters

HQ city

Higashi-osaka

HQ country

Japan

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Polished Steel Bar Sales: Manufacturing and direct sales of polished steel bars (みがき棒鋼) in various shapes (round, hexagonal, square, flat square) and grades. Minimum order quantity of 300kg for production.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels2 records

Core offering

Osaka Migaki manufactures and directly sells polished steel bars (みがき棒鋼) in 24+ grades including carbon steel (S35C, S45C), alloy steel (SCM415, SCM435), free-cutting steel (SUM series), stainless steel (SUS304, SUS303), tool steel (SK4F), and proprietary lead-free clean-cut chromium steel (CC12C14/OM24CC), available in round, hexagonal, square, and flat bar shapes. The company operates its own manufacturing facility in Shiga with monthly capacity of 2,000 tons and sells through four regional sales offices backed by an in-house delivery fleet offering same-day/next-day delivery with a minimum order of 300kg. The company is also expanding into CNC machining services at the new Shiga Machining Center opening June 2026.

Product overview

Osaka Migaki is a manufacturer and seller of polished steel bars (みがき棒鋼/磨棒鋼). The company operates a network of sales offices (Osaka, Mie, Hyogo, Shiga) and a manufacturing facility in Shiga. The product portfolio includes general structural steel (SGD3M/SS400), carbon steel (S35C, S45C), alloy steel (SCM415, SCM435), free-cutting steel (SUM series, SCL series), stainless steel (SUS304, SUS303), and tool steel (SK4F). Products are available in round, hexagonal, square, and flat bar shapes. The company also offers machining services through its Shiga Machining Center, providing CNC turning and milling operations including 5-axis machining capabilities.

Differentiator

Problem solved

Functional benefit

Products and services

• Polished Steel Bars (みがき棒鋼) Polished/ground steel bars (みがき棒鋼) manufactured in various grades including carbon steel (SGD3M/SS400, S35C, S45C), alloy steel (SCM415, SCM435), free-cutting steel (SUM series), stainless steel (SUS304, SUS303), tool steel (SK4F-G), and proprietary lead-free clean-cut chromium steel (CC12C14/OM24CC). Available in round (5.00-75.00mm), hexagonal (10.00-46.00mm), square (10.00-40.00mm), and flat bar configurations. Sold to industrial manufacturing customers across Japan with a minimum order of 300kg.
• CNC Machining Services (機械加工サービス) CNC machining services including CNC lathe operations and vertical machining center work with 5-axis capability, providing cutting, facing, and precision parts machining for industrial customers.

Named customers1 record

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• サンユウ (San Yu CFS Co., Ltd.)parent companyStrategic or Co-development Partner · 1 November 2018Osaka Migaki became a subsidiary of San Yu CFS Co., Ltd. in November 2018 as part of business expansion strategy. This provides the company with backing from a larger corporate group while maintaining its specialized steel manufacturing operations.

Scale indicators5 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Sanyo Special Steel Co., Ltd. Japanese manufacturer of specialty steel bars and wire rods, including bearing steel and alloy steel grades. Closest direct competitor in specialty bar production serving Japanese machinery and automotive customers.
• Metal One Corporation: Major Japanese steel service center and trading company (Mitsubishi/Sojitz JV) that processes and distributes steel products to industrial customers. Directly comparable service-center business model with regional hubs and processing services.
• Hanwa Co., Ltd. Large Japanese steel products trader and service center operator with domestic and international supply networks. Comparable in steel service center functions and bar/machined products distribution to manufacturers.
• Yodogawa Steel Works, Ltd. Nippon Steel group steel service center processing and distributing flat and bar steel products in Japan. Comparable service-center-plus-processing model with regional delivery capability.

Broad incumbents

• Daido Steel Co., Ltd. One of Japan's largest specialty steel producers, offering a broad portfolio of stainless, alloy, and tool steels in bar form. Overlaps with Osaka Migaki in alloy bar grades but at much greater scale and product breadth.
• Aichi Steel Corporation: Toyota Group specialty steel maker producing stainless, alloy, and carbon steel bars and forgings. Comparable in product category but operates with significantly broader downstream integration and global footprint.
• Nippon Steel Corporation: Japan's largest integrated steelmaker; produces steel bar/rod input stock that Osaka Migaki processes and distributes downstream. Competes indirectly via service-center subsidiaries and through raw material supply leverage.
• JFE Steel Corporation: Major Japanese integrated steelmaker producing carbon and alloy steel bars via its steel works. Competes indirectly as both an upstream supplier of bar stock and a competing producer of finished/semi-finished bar products.
• Kobelco (Kobe Steel, Ltd.): Diversified Japanese steelmaker with specialty bar/wire rod offerings for automotive and industrial machinery. Comparable alloy steel bar portfolio and customer overlap, though at much larger corporate scale.

Emerging players

• MISUMI Corporation: Japanese industrial component maker/distributor with growing catalog of machined parts and steel bar-based components. Overlaps with Osaka Migaki's planned 2026 entry into machined parts for small-volume manufacturers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Osaka Migaki