" title="Petroleum">Petroleum</a></td>
</tr>
<tr>
<th scope="row" style="text-align:left;">Employees</th>
<td>Over 1000</td>
</tr>
<tr>
<th scope="row" style="text-align:left;">Website</th>
<td><a rel="nofollow" class="external text" href="http://www.challengerlimited.com">challenger.com</a></td>
</tr>
</table>
<p><b>Challenger LTD</b> is a provider of contract <a href="//en.wikipedia.org/wiki/Oil" title="Oil">oil</a> and <a href="//en.wikipedia.org/wiki/Gas" title="Gas">gas</a> land drilling and <a href="/