Overview

THN Corporation is a South Korean automotive components manufacturer headquartered in Daegu, founded in 1986. It employs an estimated 500 to 1,000 people, with estimated annual revenue of $500 million to $1 billion, and is privately held. The company designs and produces wire harnesses and electric field control modules for vehicle electrical systems, serving the automotive and electric-vehicle industries. In June 2026, it announced a joint venture in Kazakhstan with Astana Motors, a Hyundai-related customer reported in that announcement.

At a glance

What THN Corporation makes

The company holds IATF 16949, ISO 9001, ISO/TS 16949, and ISO 14001 certifications and lists wire harnesses among its products.

Products and capabilities described on the company's own site include Wire Harness (source: th-net.co.kr).

Certifications

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

• IATF 16949 — th-net.co.kr

• ISO 14001 — th-net.co.kr

• ISO 9001 — linkedin.com

• ISO/TS 16949 — th-net.co.kr

Known customers

The counterparties below come from public sources that state the relationship directly. A shared counterparty does not by itself establish a current buying relationship unless the source says so:

• Hyundai — reported by astana.group

Latest developments

• 2026-06-18 — Astana Motors and South Korea’s THN Corporation Establish a Joint Venture in Kazakhstan (astana.group)

• 2026-06-18 — Astana Motors and South Korea’s THN Corporation Establish a ... (astana-motors.kz)

• 2026-05-25 — [Click e-Stock] "THN, From Automotive Nervous Systems to Robotics Electronics...Extremely Undervalued" - The Asia Business Daily (asiae.co.kr)

• 2025-05-14 — THN CORPORATION - M&A Activity 2025 | FinancialReports.eu (financialreports.eu)

• 2025-03-30 — THN Corporation agreed to acquire Wiring harness division of Jsn Corporation from Jsn Corporation for KRW 9.9 billion. | MarketScreener (marketscreener.com)

Company details

THN Corporation is privately held, and its reported customers include Hyundai. THN Corporation was founded in 1986, has an estimated 500-1,000 employees, and is headquartered in Daegu. On the LightSource stability read it is rated "Established & active": 40 years in operation (founded 1986). Holds IATF 16949, ISO 14001, ISO 9001, ISO/TS 16949 certification(s) per public sources.

Frequently asked questions

What does THN Corporation do?

THN Corporation is a South Korean automotive components manufacturer headquartered in Daegu, founded in 1986. It employs an estimated 500 to 1,000 people, with estimated annual revenue of $500 million to $1 billion, and is privately held. The company designs and produces wire harnesses and electric field control modules for vehicle electrical systems, serving the automotive and electric-vehicle industries. In June 2026, it announced a joint venture in Kazakhstan with Astana Motors, a Hyundai-related customer reported in that announcement.

Where is THN Corporation headquartered?

THN Corporation is headquartered in Daegu.

When was THN Corporation founded?

THN Corporation was founded in 1986.

How big is THN Corporation?

THN Corporation has an estimated 500-1,000 employees, with revenue in the $500M-1B range (estimated).

What certifications does THN Corporation hold?

THN Corporation lists IATF 16949 · ISO 14001 · ISO 9001 · ISO/TS 16949 on its website. Confirm the certified scope for the specific plant producing your part.

Who are THN Corporation's customers?

Public sources directly reference Hyundai as a counterparty of THN Corporation. Confirm current programs with the company, as reported relationships may change.

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Last verified Nov 2026. Is this your company? Request a correction.