Surface drill rigs 2011 5,950 h United States, Louisville, Kentucky
Surface drill rigs 2017 United States, Louisville, Kentucky
Surface drill rigs 2003 United States, Louisville, Kentucky
Surface drill rigs 2009 United States, Louisville, Kentucky
Surface drill rigs 2012 United States, Louisville, Kentucky
Surface drill rigs 2014 United States, Louisville, Kentucky
Surface drill rigs 2015 United States, Louisville, Kentucky