Surface drill rigs 2011 13,800 h United States, Ludlow, Massachusetts
Surface drill rigs 2007 4,609 h United States, Ludlow, Massachusetts
Water Well Drilling Rigs 2004 16,000 h Finland, JÄMSÄ7d
Surface drill rigs 2016 2,366 h Sweden, Sundsvall
Heavy Drills 2004 12,843 h France