Below is a list of Miniature Air Cylinders manufacturers from Grand Rapids, Michigan. Miniature air cylinders are pneumatic tools that use the force of compressed air to move things; their defining characteristic is their small size relative to other air cylinder varieties. All air cylinders are designed to lift or move something. They can be used on their own or in conjunction with other equipment. Miniature air cylinders are characterized by their small size relative to other air cylinder varieties.