Surface drill rigs 2005 4,000 h United States, Easthampton, Massachusetts
Surface drill rigs 2004 3,626 h United States, New Boston, New Hampshire
Surface drill rigs 2007 4,650 h United States, Conyers, Georgia7d
Surface drill rigs 2020 United States, Louisville, Kentucky
Surface drill rigs 2005 United States, Louisville, Kentucky
Surface drill rigs 2006 10,115 h Finland, Vaasa
Surface drill rigs 2005 3,500 h Norway, Hunndalen, Hedmark