Surface drill rigs 2015 United States, Louisville, Kentucky
Surface drill rigs 2014 8,990 h United States, Ludlow, Massachusetts
Surface drill rigs 2019 2,318 h Sweden
Surface drill rigs 2018 5,319 h Netherlands, Oud Gastel, Noord-Brabant
Surface drill rigs 2014 3,222 h Australia, Campbellfield