article.asp?a_id=38374"><i>VC Bank Acquires Stake in Challenger</i></a>, VC Bank, Nov. 21, 2006</span></li>
</ol>
</div>
<h2><span class="mw-headline" id="References">References</span></h2>
<div class="references-small">
<ul>
<li>Venture Capital Bank (2006) <a rel="nofollow" class="external text" href="http://www.rigzone.com/news/article.asp?a_id=38374"><i>VC Bank Acquires Stake in Challenger</i></a></li>
<li><a href="//en.wikipedia.org/wiki/Energy_Information_Administration" title="Energy Information Admin