Hyundai Engineering is a South Korean engineering and design company. In October 2026 it signed memoranda of understanding with ARC Clean Technology on the ARC-100 first deployment at Idaho National Laboratory and with NANO Nuclear Energy on the KRONOS micro modular reactor, and in 2026 it also signed an MOU with Thorizon on molten salt reactor commercialisation. It is a separate company from Hyundai Engineering & Construction.