ISTE Co., Ltd. ISTE Co., Ltd. (212710.KQ) manufactures and sells semiconductor and display equipment in South Korea; it provides front opening unified pod (FOUP) cleaners, sorters, equipment front end modules (EFEM), vacuum systems, N2 systems, OLED equipment, parts, and materials for semiconductor, LCD, and OLED production processes. The company, founded in 2013 and headquartered at 306 Toseong-ro, Hwaseong-si, South Korea, operates primarily in the semiconductor equipment and testing sector with a growing energy business segment that includes hydrogen charging station engineering, procurement, and construction (EPC), hydrogen production EPC, waste plastic pyrolysis, and energy storage systems. Primarily serving the domestic South Korean market, ISTE generates the majority of its sales from semiconductor equipment and services, reporting KRW 41.09 billion in such revenue for 2024 alongside expansions into future energy technologies. Recent developments feature a successful initial public offering completed in February 2025 raising KRW 14.82 billion, alongside strategic shifts toward hydrogen and energy infrastructure as core growth areas.