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T'way Holdings

South Korean holding company listed on KOSPI, controlling low-cost carrier T'way Air and a PHC pile business.

Last updated September 27, 2026

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Overview

T'way Holdings (Korean: 티웨이홀딩스) is a South Korean holding company listed on the KOSPI under the ticker 004870. Its origins trace back to 1945, when it was established as Taehwa Rubber Industrial Company (태화고무공업사). Over the decades the company transformed from a rubber manufacturer into a diversified industrial and holding entity. Today it operates two principal business pillars: the manufacture and sale of PHC (pre-stressed high-strength concrete) piles and related construction materials, and the ownership and strategic direction of T'way Air, a low-cost airline. The company is headquartered in Songpa-gu, Seoul, at 135 Beobwon-ro (Sonotower), and is led by CEO Seo Jong-dae (서종대). As a holding company, T'way Holdings' vision is to foster T'way Air into a global low-cost carrier prioritizing practical pricing and convenient service, while strengthening the profitability of its existing PHC pile business. Its stated management philosophy emphasizes sharing (나눔경영), open communication and collaboration (이음경영), and forward-looking management (앞선경영). The company's articles of incorporation list business purposes including manufacturing and sale of construction materials, ready-mixed concrete and aggregates; production and sale of concrete piles and bricks/blocks; air transport agency and forwarding; in-flight meal production and cabin supplies; travel product sales; and wholesale/retail. T'way Holdings is a subsidiary of Sono International Co., Ltd., which holds a 46.26% stake. The company was founded on October 10, 1945, and listed on the Korea Exchange on June 30, 1977. As of March 31, 2025, its capital stock was approximately 56.58 billion Korean won and total assets were approximately 171.78 billion Korean won. The fiscal year ends in December. The board of directors includes CEO Seo Jong-dae, non-executive director Lee Kwang-soo, outside director Kim Seong-jun, and auditor Kim Sam-jae. In 2013, the publishing company Yerimdang acquired management control of both T'way Holdings and T'way Air, marking a significant turning point in the company's modern history.

History

T'way Holdings was originally established on October 10, 1945, as Taehwa Rubber Industrial Company (태화고무공업사), a rubber products manufacturer. Over the following decades, the company diversified and eventually shifted its focus toward construction materials, particularly the production of PHC (pre-stressed high-strength concrete) piles used in foundation engineering. The company went public on the Korea Exchange on June 30, 1977, and has since been listed on the KOSPI market under the stock code 004870. In 2013, a major ownership change occurred when Yerimdang, a South Korean publishing company, acquired management control of both T'way Holdings and its airline subsidiary T'way Air. This acquisition marked a strategic pivot, as the holding company began to emphasize its role in supporting and growing the low-cost carrier. T'way Air, originally founded in 2010 as Hansung Airlines and rebranded as T'way Air in 2012, became a key subsidiary under the holding company structure. By the 2020s, T'way Holdings had come under the umbrella of Sono International Co., Ltd., part of the Daemyung Sono Group, which held a 46.26% stake as of March 2025. The company continued to operate its traditional PHC pile business while actively supporting T'way Air's expansion in the competitive low-cost aviation market. As of 2025, the company reported capital stock of approximately 56.58 billion won and total assets of approximately 171.78 billion won. Its headquarters are located in Songpa-gu, Seoul, and it is led by CEO Seo Jong-dae.

  • Founded as Taehwa Rubber Industrial Company (태화고무공업사).

  • Listed on the Korea Exchange (KOSPI, code 004870).

  • Yerimdang acquired management control of T'way Holdings and T'way Air.

  • Reported capital stock of 56,581,747,000 won and total assets of 171,778,601,557 won; Sono International holds 46.26%.

Products and positioning

A holding company that combines an established construction-materials business with ownership of a growing low-cost airline, aiming to maximize shareholder value through operational efficiency and safety-first service.

  • PHC piles

    Pre-stressed high-strength concrete piles for construction foundations.

  • Concrete piles and blocks

    Manufacturing and sale of concrete piles, bricks, and blocks.

  • Ready-mixed concrete and aggregates

    Production and sale of ready-mixed concrete and aggregates.

  • Air transport services

    Provided through subsidiary T'way Air, a low-cost carrier.

Sources6 sources

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