Surface drill rigs 2017 8,800 h United States, Ludlow, Massachusetts
Surface drill rigs 2007 United States, Louisville, Kentucky
Surface drill rigs 2015 United States, Louisville, Kentucky
Surface drill rigs 2012 United States, Tacoma, Washington
Surface drill rigs 2011 2,178 h Canada, Fort McMurray, Alberta
Surface drill rigs 2008 Finland, Uusikaupunki