Surface drill rigs 1999 7,800 h Austria, Wien
Surface drill rigs 2008 6,700 h Austria, Wien
Surface drill rigs 2006 4,226 h Austria, Wien
Surface drill rigs 2007 4,000 h Austria, Wien
Surface drill rigs 2001 9,000 h Austria, Wien
Surface drill rigs 2012 10 h Austria, Wien
Surface drill rigs 2015 Austria, Wien