The MJ Sections Group comprises MJ Sections Ltd and Electro Discharge Ltd in the West Midlands. MJ Sections, founded in 1979, is based in Netherton, Dudley, with a factory in Halesowen, and makes rolled rings, sheet metal fabrications and machined components for aerospace. Electro Discharge, acquired in 1999 and based in Cradley Heath, provides wire and spark erosion and 5-axis laser cutting.