is a global er in the design and manufacture of steel and aluminum pressure vessels. We produce a broad range of for the storage and transport of Propanee, Chemicalls, compressed air and other industrial applications. ’s Department of Transportation (DOT) steel and aluminum cylinders range from 1 to 420 pounds and American Society of Mechanical Engineers (ASME) steel s range in size from 1 to 30,000 gallons. Today the company is focused on the sale and manufacture of approximately 30 product families that are used in commercial, residential and industrial markets.