Surface drill rigs 3,372 h United States, Daly City, California
Surface drill rigs 2006 71 h United States, Rocklin, California
Surface drill rigs 2013 11,316 h United States, Buffalo, New York
Surface drill rigs 1999 9,000 h United States, Santa Rosa, California
Surface drill rigs 2005 United States, Louisville, Kentucky
Surface drill rigs 2004 3,945 h United States, Dallas, Texas
Surface drill rigs 1993 United States, Green Bay, Wisconsin
Surface drill rigs 2006 United States, Louisville, Kentucky
Surface drill rigs 1991 5,048 h United States, Scottsville, New York
Surface drill rigs 2013 6,500 h United States, Ludlow, Massachusetts
Surface drill rigs 2012 3,038 h United States, Rocklin, California
Surface drill rigs 2016 10,300 h United States, Ludlow, Massachusetts
Surface drill rigs 2004 United States, Louisville, Kentucky
Surface drill rigs 1979 United States, Canton, Ohio
Surface drill rigs United States, Canton, Ohio
Surface drill rigs 2005 United States, Brighton, Colorado
Surface drill rigs 2016 156 h United States, Hillsboro, Oregon
Surface drill rigs 2007 5,360 h United States, Houston, Texas
Surface drill rigs 2007 6,504 h United States, Houston, Texas