Surface drill rigs 1998 5,200 h United States, Ludlow, Massachusetts
Surface drill rigs 2008 United States, Canton, Ohio
Surface drill rigs 2000 United States, Louisville, Kentucky
Surface drill rigs United States, Trenton, New Jersey
Surface drill rigs 1998 4,656 h United States, Augusta, Maine
Surface drill rigs 1996 10,864 h United States, Augusta, Maine
Surface drill rigs 2006 United States, Chehalis, Washington
Surface drill rigs 2006 3,200 h United States, Pittston, Pennsylvania
Surface drill rigs 2009 United States, Austin, Texas
Surface drill rigs 1994 United States, Peoria, Illinois
Surface drill rigs 2006 United States, Lake Worth, Texas24h
Surface drill rigs 2000 United States, Brighton, Colorado
Surface drill rigs 1976 United States, Austin, Texas
Surface drill rigs 1976 United States, Gillette, Wyoming
Surface drill rigs 2007 United States, Louisville, Kentucky
Surface drill rigs 1998 United States, Louisville, Kentucky
Surface drill rigs 2010 United States, Louisville, Kentucky
Surface drill rigs 1994 6,228 h United States, Daly City, California