Under the loophole , Nabors receives tens of millions of dollars in tax breaks .
One of the four companies that benefited from the loophole was Nabors Industries , which opened headquarters in Bermuda as a foreign corporation .
Under the loophole , Nabors Industries receives tens of millions of dollars in tax breaks .
One of the four companies that benefited from the loophole was Nabors Industries , which opened headquarters in Bermuda as a foreign corporation .