sentences:  In 2005, Ralph S. Cunningham became CEO of the affiliated Enterprise Products Partners (), a transporter of natural gas and crude oil for the next couple of years, before he was instead named president and CEO of Enterprise GP Holdings.During the second quarter of 2007, Enterprise GP Holdings acquired two major competitors as partners, Houston-based TEPPCO Partners LP () and also 35 percent of Dallas-based Energy Transfer Equity LP ().On July 23, 2007, Ralph S. Cunningham replaced Michael A. Creel as president and CEO of Enterprise GP Holdings LP.