Tk Corp /korea/

What Tk Corp /korea/ does

TK Corporation (태광주식회사, Taekwang Stock Company) is a South Korean KOSDAQ-listed (ticker 023160, listed March 1994) industrial manufacturer of butt weld pipe fittings, founded in May 1965 in Busan. The company designs, manufactures, and distributes standardized and specialty pipe fittings — including elbows, tees, reducers, induction bends, barred tees, high-pressure fittings, forged steel fittings, and large-diameter specialty items up to 120 inches — across four core product lines (Standard, High Pressure, Forged Steel, Specialty). Manufacturing is concentrated at three Busan-area facilities (Noksan HQ plus Hwajeon 1st and 2nd factories), with combined land area exceeding 165,000㎡ supporting the company's claim of the world's largest production capacity for butt weld pipe fittings.

The company holds an extensive international certification portfolio (ISO 9001/14001/45001, ASME NPT nuclear certification N-2870, API MONOGRAM license 6A-0481, KEPIC MN, PED, JIS, GL, BV, KR, KHNP) and four Korean patents covering pipe-fitting manufacturing methods, replaceable core molds for tee production, tee-forming presses, and welding clamps. It serves enterprise customers across three primary verticals — oil & gas, nuclear power, and shipbuilding — plus plant construction. Go-to-market is direct enterprise sales through a global regional salesforce with named account managers covering Europe, MEA, Asia/Australia, Japan/CIS, North/Central America, Latin America, and Russia, supported by a Seoul domestic sales office.

Revenue is generated through one-time sales of quote-priced B2B contracts (specific pricing not publicly disclosed), with no subscription or recurring component. The company's only diversification moves are the 2021 acquisitions of majority stakes in HYTC (45.8%, a manufacturer of 2nd battery production equipment) and Foundry Seoul (91.67%, a contemporary art gallery). CEO S.D. Yoon has led the company since March 2003.

Name

Tk Corp /korea/

Legal name

태광주식회사 (Taekwang Stock Company)

Website

https://tkbend.co.kr

Company type

Public

Founded year

1965

Operating status

Operating

Headcount range

101–250 employees

Short description

TK Corporation is a South Korean KOSDAQ-listed manufacturer of butt weld pipe fittings serving enterprise customers in oil & gas, nuclear power, shipbuilding, and plant construction globally, with claimed world's-largest production capacity and extensive international certifications.

Ownership category

akta.pro rank

Product category

Industrial Pipe Fittings

NAICS

Other Metal Valve and Pipe Fitting Manufacturing (332919), Fabricated Pipe and Pipe Fitting Manufacturing (332996)

SIC

Steel Pipe & Tubes (3317), Oil & Gas Field Machinery & Equipment (3533)

akta.pro primary industry

Pipe Fittings, Couplings & Connectors (IMADALAD)

akta.pro secondary industries

Pipe & Tube Manufacturing (Seamless & Welded OCTG/Line Pipe/Structural Tube) (IMAKABAI), Pipe Accessories & Joining Systems (Couplings, Gaskets, Solvent Cement, Fusion Fittings) (IMANADAJ), Mechanical Piping & Pipefitting (Process/Utility Piping, Supports, Valves) (EUAEAFAD)

Keywords

• Butt weld fittings
• Pipe fittings manufacturing
• High pressure fittings
• Forged steel fittings
• Industrial pipe components

Headquarters

HQ city

Busan

HQ country

South Korea

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Pipe Fittings Manufacturing and Sales: TK Corporation generates revenue through the design, manufacture, and sale of butt weld pipe fittings. Their product range includes standard fittings (elbows, tees, reducers), induction bends, barred tees, and large-diameter special items (up to 120-inch). The company sells to global industrial customers in oil & gas, nuclear, and shipbuilding sectors.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

TK Corporation manufactures and sells butt weld pipe fittings in four categories — standard, high-pressure, forged steel, and specialty — used to connect piping systems in oil & gas, nuclear power, shipbuilding, and plant construction projects. The company operates the world's largest production capacity for butt weld pipe fittings across three integrated plants in Busan, South Korea.

Product overview

Tk Corp is a pipe fittings manufacturer offering a comprehensive portfolio of butt weld pipe fittings. The core product line consists of STANDARD fittings (segmentable elbows, induction bends, barred tees, reducing elbows), High Pressure Fittings, and Forged Steel Fittings. The company also produces Specialty Pipe Fittings for custom and large-diameter applications. All products are manufactured to meet multiple international specifications including ASTM, ASME, JIS, and API standards. The company holds world-class product certification for plant fittings and serves global oil, gas, nuclear, and industrial markets.

Differentiator

Problem solved

Functional benefit

Products and services

• Standard Butt Weld Pipe Fittings

Quantifiable outcome

• World's largest production capacity for Butt Weld Pipe Fittings

Named customers4 records

Segments3 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered minor and core.

• 파운드리서울(주) (Foundry Seoul)minorOthers · 1 March 2021Foundry Seoul is a subsidiary of TK Corporation with 91.67% equity ownership acquired in March 2021. Located in Hannam-dong, Seoul, it operates as a contemporary art gallery providing art viewing and ownership experiences. Founded in May 2018.
• (주)에이치와이티씨 (HYTC)coreOthers · 1 January 2021HYTC is a subsidiary of TK Corporation with 45.8% equity ownership acquired in January 2021. HYTC specializes in manufacturing 2nd battery production equipment modules, components and parts including Coil, Cutter, Knife unit, px-shaft, ultrasonic horn, Anvil, special jigs, and Slitter products. Located in Seoul.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Tenaris: Global steel pipe manufacturer and supplier serving energy, automotive, and industrial markets. Broad incumbent that competes with TK in industrial piping fittings while also offering seamless and welded pipe products.
• Vallourec: French global leader in premium steel pipe solutions for energy (oil & gas, nuclear) and industrial markets. Broader incumbent offering complete tubular solutions including OCTG and line pipe; overlaps with TK in pipe fittings and large-diameter pipe applications.
• National Oilwell Varco (NOV): US-based global provider of oilfield equipment and services, including pipe fittings and related components for upstream and downstream energy. Broad incumbent with comprehensive energy sector portfolio.

Emerging players

• Tube Forgings of India: Indian manufacturer of butt weld and forged pipe fittings supplying global oil & gas and EPC markets at competitive cost. Emerging low-cost competitor primarily targeting non-critical-service and commodity segments.
• Marcegaglia: Italian steel processing group producing welded tubes, pipes, and pipe fittings for energy, automotive, and construction. European-based manufacturer with expanding pipe fittings capability that competes with TK in industrial applications.

Direct peers

• EEW (Erndtebrücker Eisenwerk): German specialist in large-diameter welded pipes and pipe fittings (up to ~120 inches), serving offshore wind, oil & gas, and infrastructure projects. Most direct global competitor to TK in the large-diameter butt weld fitting segment.
• Butting Group: German family-owned manufacturer of stainless steel pipes and butt weld pipe fittings serving oil & gas, chemical, shipbuilding, and plant construction globally. Direct competitor with overlapping certifications (PED, ASME) and similar large-diameter specialty capabilities.
• Bonney Forge Corporation: US-based manufacturer of forged steel pipe fittings, valves, and specialty components serving oil & gas, power, and shipbuilding. Direct competitor in forged and high-pressure fittings with overlapping ASME/API certifications.
• Benkan Corporation: Japanese manufacturer of pipe fittings and related products serving plant construction, oil & gas, and shipbuilding. Direct competitor in Asian market with similar certification portfolio (JIS, ASME).
• Metalurgica Italiana (MISA): Italian manufacturer specializing in butt weld pipe fittings including large-diameter elbows, tees, and reducers for industrial and energy applications. Direct European competitor with comparable specialty/large-diameter capabilities.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance11 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Tk Corp /korea/