For craft brewers, an industry largely consisting of small businesses and where the product is made in steel plus packaged in aluminum, the newly applied tariffs are having a direct strike on their bottom lines.

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.

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