They say American-Made used to mean something. We say it still does. Having shipped over 50,000 units, Ariel is the world's largest manufacturer of reciprocating gas compressors. Every Ariel compressor represents the pinnacle of what an American-Made product should be: engineered, machined, and built to be the best. Ariel Equals Compression. For more information about Ariel Compressors - visit www.arielcorp.com