Goodwin PLC (LSE: GDWN) is a UK-based engineering group specialising in precision manufacturing and mechanical engineering for the defence, energy, and industrial sectors. The company operates through two main divisions: mechanical engineering and refractory engineering. With a focus on high-specification castings and complex components, Goodwin supports global infrastructure and defence programmes. Its long-standing commitment to quality and innovation positions it as a trusted supplier across mission-critical industries.