Established in 1958, Ravenna Pattern & Mfg. is involved in producing computer-aided design and engineering on the CAD/CAM systems with 3-D imaging and surfacing capability. Its Michigan Plant offers a complete CAD/CAM, CNC, CMM department with total layout facilities and a machine department, which includes CNC Mazak vertical machine centers, Sharnoa CNC machining centers, CNC Mazak lathe's for precision turning, 3" and 5" boring mills, complete bench facilities and a wood department. Ravenna Pattern & Mfg. corebox equipment includes blocks, heads, compressor housings, intake and exhaust manifolds, among others. Some of its production equipments are stainless steel, cast iron, aluminum and 4140 dievar.