O&K American Corporation
O&K American Corporation (株式会社オーアンドケー) is a 100-year-old Japanese specialty manufacturer of cold-forged wire (cold heading wire), operating three domestic factories in Osaka, Gunma, and Nagoya to serve industrial manufacturing customers globally.
- Company typePrivate
- Founded1926
- HeadquartersChicago, United States
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What O&K American Corporation does
O&K American Corporation (株式会社オーアンドケー, O&K Company Limited) is a privately held Japanese manufacturer founded in 1926, specializing in cold-forged wire (冷間圧造用ワイヤー / cold heading wire) used as an industrial input material. The company operates an integrated three-factory network across Japan: the Osaka factory handles wire drawing and quality assurance, the Gunma factory handles annealing and acid washing, and the Nagoya factory handles wire drawing and acid washing. Together these facilities cover the full cold-forging wire production chain, from raw wire rod processing through finished, quality-assured product.
The company's revenue model is direct B2B manufacturing sales of cold-forged wire to industrial customers, both domestic Japanese manufacturers and international accounts reached through global export operations. Pricing is conducted on a custom quotation basis with no publicly disclosed list pricing, and the company maintains a dedicated online ordering portal at order.o-and-k.co.jp (with both Japanese and English interfaces) for existing enterprise customers. The customer base consists of manufacturing companies requiring stable, high-quality cold-forged wire for production processes, with international manufacturing as a stated primary segment.
O&K positions itself as a 'world-leading' specialty supplier, claiming industry-top-class status and emphasizing a 100-year technology heritage. It holds ISO 9001 and IATF 16949 quality certifications, qualifying it for automotive-tier fastener supply chains. Marketing channels include a bilingual corporate website (oandk-co.com), the online order portal, and regional brand-building through sponsorship of the B.LEAGUE basketball team Gunma Crane Thunders. A 2026 centennial initiative (創業100周年) with commemorative branding underscores a heritage-driven positioning strategy rather than aggressive new-market expansion.
O&K American Corporation firmographics
Firmographics- Name
- O&K American Corporation
- Legal name
- O&K Company Limited
- Website
- https://o-and-k.co.jp
- Company type
- Private
- Founded year
- 1926
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- O&K American Corporation (株式会社オーアンドケー) is a 100-year-old Japanese specialty manufacturer of cold-forged wire (cold heading wire), operating three domestic factories in Osaka, Gunma, and Nagoya to serve industrial manufacturing customers globally.
- Ownership category
- akta.pro rank
Where O&K American Corporation is headquartered
LocationHeadquarters
- HQ city
- Chicago
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
O&K American Corporation business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Infrastructure, Technology or R&D
Revenue model
- Cold-forged wire product sales: Manufacturing and selling cold-forged wire (冷間圧造用ワイヤー) products to industrial customers domestically and internationally
Go-to-market motion1 record
Distribution channels2 records
Marketing channels3 records
O&K American Corporation product offering
Product offeringCore offering
O&K manufactures and sells cold-forged wire (冷間圧造用ワイヤー / cold heading wire) for industrial manufacturing applications, produced at three factories in Japan (Osaka, Gunma, and Nagoya). The company supplies high-quality cold forging wire to manufacturing companies worldwide through direct B2B sales and an online order portal, leveraging 100 years of proprietary production technology and quality management expertise.
Product overview
O&K American Corporation (株式会社オーアンドケー) is a cold forging wire (冷間圧造用ワイヤー) manufacturer with a 100-year history, offering a focused portfolio centered on cold heading wire products. The company provides cold forging wire as its core product, supported by production technology services and quality management services. With global operations and industry-leading technology, the company supplies high-quality wire products to customers worldwide while maintaining rigorous quality standards through its integrated service offerings.
Differentiator
Problem solved
Functional benefit
Products and services
- Cold Forging Wire (冷間圧造用ワイヤー) Industry-leading cold forging wire (cold heading wire) used as a raw material in industrial manufacturing processes, supplied globally with consistent quality and technical specifications to manufacturing companies.
Companies that use O&K American Corporation
Customer profileSegments2 records
Ideal customer profiles1 record
O&K American Corporation technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature1 record
O&K American Corporation partnerships and signals
Strategic signalScale indicators2 records
Recent moves6 records
Expansion highlights5 records
O&K American Corporation competitors and assessment
Company assessmentBroad incumbents
- Hyundai Steel: Korean integrated steelmaker producing wire rod and specialty steel products for automotive fastener applications. Comparable as a regional Asian incumbent with deep automotive OEM relationships.
- Kobe Steel (Kobelco): Major Japanese steelmaker with wire rod and specialty steel products. Comparable as a domestic supplier of cold heading wire feedstock though its portfolio spans many industrial segments beyond wire.
- POSCO: Korean integrated steelmaker with wire rod production serving automotive fastener and industrial customers in Asia. Comparable as a regional competitor with cost-advantaged integrated steelmaking.
- Sumitomo Electric Industries: Japanese manufacturer with a steel wire products division serving automotive and industrial markets. Comparable as a domestic competitor in specialty wire, though its core business is broader electrical and electronics materials.
- Voestalpine: Austrian specialty steel producer with wire and drawn products for automotive and industrial fastener applications. Comparable as a specialty wire supplier serving European automotive OEMs and competing in global export markets.
- Tata Steel: Indian-headquartered global steel producer with wire products supplying fastener and industrial customers. Comparable as a low-cost integrated competitor in wire rod and drawn wire.
- Nippon Steel Corporation: Japan's largest integrated steelmaker with a wire rod and bar products division that supplies cold heading wire feedstock. Overlaps with O&K as a steel wire producer but at vastly larger scale across many product categories.
- ArcelorMittal: Global integrated steel giant producing wire rod for cold heading and industrial applications. Overlaps with O&K as a large-scale upstream supplier but competes across the full steel value chain.
Direct peers
- NETUREN Co., Ltd. Japanese specialty steel wire and heat-treated bar producer with overlapping capabilities in cold heading and heat treatment. Direct domestic peer serving similar Japanese fastener and industrial customers.
- Bekaert: Belgian global leader in drawn steel wire products including cold heading wire for fastener manufacturing. Directly comparable as a specialty cold-forged wire producer serving automotive and industrial fastener OEMs worldwide.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
O&K American Corporation compliance and trust
Trust signalCompliance2 records
O&K American Corporation financial estimates
Financial estimateRevenue estimate
Valuation estimate
O&K American Corporation leadership team
Management profileNumber of profiles
O&K American Corporation funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
O&K American Corporation M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about O&K American Corporation
What does O&K American Corporation do?
O&K manufactures and sells cold-forged wire (冷間圧造用ワイヤー / cold heading wire) for industrial manufacturing applications, produced at three factories in Japan (Osaka, Gunma, and Nagoya). The company supplies high-quality cold forging wire to manufacturing companies worldwide through direct B2B sales and an online order portal, leveraging 100 years of proprietary production technology and quality management expertise.
Is O&K American Corporation a public or private company?
O&K American Corporation is a private company. It is classified as unknown and is currently operating.
When was O&K American Corporation founded?
O&K American Corporation was founded in 1926. It employs 101 to 250 people.
Where is O&K American Corporation based?
O&K American Corporation is headquartered in Chicago, United States, in the North America region.
How does O&K American Corporation make money?
One revenue line is on record: cold-forged wire product sales.
Who are O&K American Corporation's main competitors?
Broad incumbents on record are Hyundai Steel, Kobe Steel (Kobelco), POSCO, Sumitomo Electric Industries, Voestalpine, Tata Steel, Nippon Steel Corporation and ArcelorMittal. Direct peers are NETUREN Co., Ltd. and Bekaert.
Does O&K American Corporation have an API?
No public API is recorded for O&K American Corporation.