AMERICAN OIL AND GAS REPORTER

2019 – Band 62

2018 – Band 61

2017 – Band 60

2016 – Band 59

2015 – Band 58

2014 – Band 57

2013 – Band 56

2012 – Band 55

2011 – Band 54

2010 – Band 53

2009 – Band 52

2008 – Band 51

2007 – Band 50

2006 – Band 49

2005 – Band 48

2004 – Band 47

1999 – Band 42

1999 – Band 41

1997 – Band 40

1996 – Band 39

1995 – Band 38

1993 – Band 36

1992 – Band 35