THN Corporation (KRX: 019180), founded in 1986 and headquartered in Daegu, South Korea, manufactures and sells automotive electronics, specializing in electric and electronic distribution systems for internal combustion engine, hybrid, and electric vehicles. The company offers wire harnesses including high-voltage variants for 600V electric vehicle environments with safety and electromagnetic shielding features; junction blocks such as smart junction blocks using CAN networks and IPS elements, high-voltage junction blocks for power distribution from batteries to components and converters; integrated control units (ICU) for consolidated vehicle system communications and controls; electronic control network products encompassing vehicle data monitoring systems (VMS), Ethernet gateways, power-net safety control units (PSU), electrical energy management (EEM), 12-48V converters, and E-DPC 12-12 converters; EV components like pilot relay assemblies (PRA), on-board chargers (OBC), low-voltage DC-DC converters (LDC), and in-cable control boxes (ICCB); as well as lightweight wiring solutions including AL wires, PK materials, FFC flexible flat cables, and wire compression technologies. THN Corporation operates production facilities in South Korea, China, Philippines, Vietnam, Mexico, Brazil, and Paraguay, supplying major customers such as Hyundai Motor Company and affiliates on an OEM basis while pursuing advancements in eco-friendly and autonomous vehicle technologies. In recent developments, the company established THN Automotive Systems Vietnam Co., Ltd. in April 2024 and THN Autoparts Mexico, S.A. de C.V. in October 2023 to support global expansion; completed the acquisition of the wiring harness division from JSN Corporation for approximately KRW 9.8 billion in May 2025; and maintains a 28.3% R&D personnel ratio with milestones including being the world's first supplier of components for Hyundai's Nexo FCV.