Below is a list of Steel Shelving manufacturers from Contoocook, New Hampshire. Steel shelving is a configuration of alloyed metal sheets and supports designed to convert unused space into storage areas. While industrial shelving can be made of a number of durable materials, such as other metals, plastics, woods and composites, steel offers particular advantages in industrial settings. Stainless steel shelving is popular due to its anti-corrosive and wear resistant properties.