Compressors 2018 4,200 h United States, Pittsfield, Massachusetts
Compressors 2015 5,194 h United States, Pittsfield, Massachusetts
Compressors 2015 6,200 h United States, Pittsfield, Massachusetts
Compressors 2013 3,364 h United States, Pittsfield, Massachusetts
Compressors 2012 4,600 h United States, Pittsfield, Massachusetts