Below is a list of Shot Peening Equipment manufacturers from Grand Rapids, Michigan. Shot peening equipment is the name for machinery that provides peening services, a specialized form of media blasting. Peening is a metalworking process by which force is used to improve properties of strength and durability of a surface. The force is exerted by a shot peening machine, which propels small metal pellets at the surface. There are innumerable contexts in which the process of improving metal strength is useful. Some of those contexts are architecture and construction, aircraft repairs, automotive spring manufacturing, surface finishing and other manufacturing contexts.