at Conoco on Nov. 1-2, 2000 | at API on May 16-17, 2001 | at ExxonMobil on Nov. 13-14, 2001 | at ChevronTexaco on May 15-16, 2002 |  at Marathon on Sep. 25-26, 2002 |  at BP (Chicago) on June 4-5, 2003  | at Murphy on october 15-16, 2003 | at Sunoco (Philadelphia) on May 19-20, 2004 | at ConocoPhillips (Houston) on October 26-27, 2004  | at Chevron (San Ramon) on May 18-19, 2005 | at ExxonMobil (Houston) on October 20-21, 2005 | at API (Washington DC) on May 24-25, 2006 | at Marathon Offices in Houston on October 25-26,2006 | at Shell HQ in Houston on May 22-23,2007 | at Hess in NJ on October 23-25, 2007 | at BP in IL on June 3-4, 2008 | at Sunoco (Philadelphia) on Oct 20-21, 2008 | at Chevron (San Ramon) on June 2-3, 2009| Next Meeting: at ConocoPhillips (Houston) on Ocotber 20-21, 2009