WKC Stahl- und Metallwarenfabrik ("WKC Steel and Metalwork Factory"), formerly Weyersberg, Kirschbaum & Cie., is a German sword manufacturing company located in Solingen, North Rhine-Westphalia.
The company was founded in 1883 with the merger of two major Solingen sword-making companies, Weyersberg and Kirschbaum. In 1900 the company was the largest in Solingen, employing around 1,200 workers. WKC uses traditional hand forging in their production process. The company supplies over 50 militaries, military academies and police forces worldwide with ceremonial swords. The company also makes Japanese Katanas using the traditional hand forging process.