What TFO Corporation does

TFO Corporation (ティエフオー株式会社) is a Japanese forging manufacturer that designs, prototypes, and mass-produces forged steel, aluminum, and stainless steel components, with a specialization in crankshafts, hubs, and aluminum suspension parts. Originally founded in 1930 as Murayama Iron Foundry (村山鉄工所) and incorporated in 1939, the company has accumulated more than 90 years of forging expertise and operates four production bases: the Fukushima Plant (Yabuki-machi) and Kumamoto Plant in Japan, TFO Tech Co., Ltd. in Ohio, USA (established 1988), and TFO Tech (Thailand) Co., Ltd. in Chonburi (established 2003). Manufacturing capability spans 4000t–5000t crank presses, knuckle presses, hammers, heat treatment furnaces, CNC machining centers, and integrated quality inspection, supported by proprietary processes such as multi-directional drilling, crank twisting, hollow bending forging (中空曲げ鍛造工法), plate forging (板鍛造), and in-house CAE/forging simulation.

TFO operates as a direct B22B supplier with no distribution or retail channels, selling quote-based custom forged components to automotive OEMs (Honda since 1959, HINO), tier-1 suppliers (BOSCH, NSK, NTN, JTEKT, Press Kogyo, Fuji Machinery), and manufacturers of motorcycles, construction equipment, railway vehicles, and industrial machinery. Revenue is generated through hardware sales of forged parts with no public pricing; revenue figures are not disclosed. The company is privately held with no external investors or parent company identified, has 144 employees as of 2017, and maintains ISO 9001, ISO 14001, and ISO/TS 16949 certifications across its Japanese, Thai, and US facilities. The current president is Tetsutaro Toya.

Name

TFO Corporation

Legal name

ティエフオー株式会社

Website

https://tfo-corp.co.jp

Company type

Private

Founded year

1939

Operating status

Operating

Headcount range

101–250 employees

Short description

TFO Corporation is a Japanese forging manufacturer that designs and mass-produces forged steel, aluminum, and stainless steel components — primarily crankshafts, hubs, and aluminum suspension parts — for automotive, motorcycle, railway, and construction equipment OEMs across Japan, the United States, and Thailand.

Ownership category

akta.pro rank

Headquarters

HQ city

Kita

HQ country

Japan

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure

Revenue model

1. Forged Steel Parts Sales: Development, manufacture, and sales of forged steel parts for automotive, motorcycles, construction equipment, railway, and industrial machinery
2. Non-ferrous (Aluminum) Parts Sales: Development, manufacture, and sales of aluminum forged products, particularly suspension parts for vehicles

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

TFO Corporation is a forging manufacturer that designs, prototypes, and mass-produces forged steel, aluminum, and stainless steel components — including crankshafts, hubs, engine parts, and chassis/suspension components — for automotive, motorcycle, railway, construction equipment, and industrial machinery manufacturers. Production is carried out across four facilities (Japan, USA, Thailand) using crank presses, knuckle presses, hammers, CNC machining, heat treatment, and proprietary CAE-based forging simulation and automated inspection systems.

Product overview

TFO Corporation is a forging manufacturer that operates as a single unified business offering forged metal parts, primarily serving the automotive, motorcycle, railway, construction equipment, and industrial machinery sectors. The product portfolio comprises three main material categories: Iron/Steel Forging, Aluminum Forging, and Stainless Steel Forging. Core product lines include crankshafts, hubs, engine parts, chassis/suspension parts, and general-purpose forged components, supplied from three regional manufacturing bases (Japan, Thailand, and the United States). Supporting the product portfolio are proprietary manufacturing technologies including Multi-directional Drilling Technology, Crank Twisting Technology, Hollow Bending Forging, and Plate Forging, as well as quality inspection technologies such as the Twist Crankshaft Automatic Inspection System and Fully Automatic Visual Inspection Line. The company also markets consumer/sub-brand products under the T-LAB.TANZO label. All products are produced under an integrated manufacturing system covering product and die design (using CAE/forging simulation), die manufacturing, prototype forging, testing/evaluation, and mass production/delivery.

Differentiator

Problem solved

Functional benefit

Products and services

• Iron Forged Products (Steel Forgings)

Quantifiable outcome

• Zero delivery quality defects achieved (Honda award criteria)
• +2 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Partnerships

Two partnerships are on record, tiered minor.

• Japan Forging Association (鍛造協会)minorOthersMember of the Japan Forging Association (JFA-Tanzo), an industry organization for forging manufacturers in Japan
• Shirakawa Valley (白河素形材ヴァレー)minorOthersParticipant in the Shirakawa Valley initiative, a regional industry cluster in Fukushima prefecture promoting precision manufacturing

Scale indicators4 records

Recent moves11 records

Expansion highlights5 records

Emerging players

• Doncasters Group: UK-based precision forging and casting group supplying components for automotive, aerospace, and industrial gas turbines. Comparable to TFO in precision forging capability and tier-1 supply model, with a higher mix of aerospace and industrial customers.

Direct peers

• Asahi Forge Corporation: Japanese forging company producing steel and aluminum forged components for automotive and industrial machinery applications. Closely comparable to TFO in size, product mix (crankshafts, suspension parts), and Japanese automotive customer base.
• Hirschvogel Holding GmbH: German automotive forging specialist producing steel and aluminum forged components for drivetrain and chassis applications. Directly comparable to TFO in product mix (steel + aluminum automotive forgings) and tier-1 supplier model, serving similar European and global OEM customers.
• Daido Steel Co., Ltd. Japanese specialty steel producer with automotive forging and machining operations serving OEMs and tier-1 suppliers. Comparable to TFO in ferrous + non-ferrous material capability and Japanese automotive customer base.
• Aichi Steel Corporation: Japanese specialty steel and forged products manufacturer with deep automotive OEM relationships, including forged crankshafts and chassis components. Closely comparable to TFO in material mix (steel + aluminum), customer base (Toyota, Honda suppliers), and integrated forging-and-machining model.
• Bharat Forge Limited: World's largest automotive forging company, supplying crankshafts, steering, and chassis forgings to global OEMs. Directly comparable to TFO in product portfolio (crankshafts, suspension, drivetrain forgings) and B2B tier-1 supplier model, though at far greater scale.
• Aubert & Duval (Eramet): French specialist in high-performance steel and forged components for automotive, aerospace, and industrial markets. Comparable to TFO in precision forging capability and tier-1 B2B supply, with somewhat higher-end alloys and aerospace mix.

Broad incumbents

• Kobe Steel, Ltd. (KOBELCO): Japanese diversified steelmaker with a forgings division serving automotive, construction equipment, and industrial machinery. Comparable to TFO in forged steel + aluminum automotive component supply but with much broader materials, trading, and machinery businesses.
• American Axle & Manufacturing (AAM): US-based tier-1 supplier of drivetrain, chassis, and forged metalforming components to automotive OEMs. Comparable to TFO in forged driveline component supply but operates at substantially larger scale with a broader finished-component portfolio.
• ThyssenKrupp Forged Technologies: Division of ThyssenKrupp producing large forged components for automotive, construction, and industrial machinery globally. Comparable product portfolio (crankshafts, steering, chassis) but operates at much larger scale across a broader industrial customer base than TFO.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries2 records

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 TFO Corporation