Established on August 15, 1957, DOHWA Engineering Co., Ltd. is South Korea’s first and leading comprehensive civil engineering consultancy. Listed on the Korea Exchange (KRX: 002150), DOHWA has executed more than 7,000 domestic and overseas infrastructure projects. With an elite multidisciplinary workforce of approximately 2,950 professionals, the firm consistently ranks at the top of South Korea’s engineering sector and among ENR’s Top Global Design Firms.

In the railway and transit sector, DOHWA Engineering has been a core technical driving force behind South Korea’s modern railway network. The company spearheaded engineering and supervision on landmark high-speed lines, including the Gyeongbu High-Speed Railway, the Honam High-Speed Railway, the Suseo High-Speed Railway (SRT), and Seoul’s pioneering deep-underground regional commuter express rail network, the Great Train eXpress (GTX Lines A, B, and C). In urban transit, DOHWA has engineered major lines including Seoul Metro Line 9, the Shinbundang Line, the Sillim Line automated LRT, and the Gimpo Goldline.

Leveraging its domestic high-speed and metro track record, DOHWA has rapidly expanded internationally under bilateral, JICA-, ADB-, and EDCF-funded frameworks. Key international rail references include the design and construction supervision of the Dohazari–Cox’s Bazar Railway in Bangladesh, the Jakarta LRT in Indonesia, the Manila LRT Line 2 East Extension and North-South Commuter Railway (NSCR) in the Philippines, Panama Metro Line 3, Lima Metro Line 2 in Peru, and high-speed rail corridor design for the Central Communication Port (CPK) in Poland.