Few American companies evoke an old-school industrial vibe quite like United States Steel Corporation (X). For more than a century, it’s been

President Donald Trump is once again lashing out at three of his biggest irritants: foreign steel, foreign aluminum and Canada.

U.S. tariffs on steel and aluminum imports are poised to escalate costs for the oilfield service companies behind North America's vast energy industry, as their operations rely heavily on these metals.