Below is a list of Compressed Air Cylinders manufacturers from Portland, Oregon. Compressed air cylinders are pneumatic tools that use the force of compressed air to move things. Air cylinders are used in an extensive variety of contexts for many purposes. Large trucks are equipped with air cylinders as part of their air brake systems. They can be used to open and close large doors, move parts in equipment and facilitate the movement of many other kinds of objects in the contexts of industry, commerce and even in some consumer products contexts.