Caterpillar (NYSE:CAT), Boeing (NYSE:BA), United Technologies (NYSE:RTX) General Electric (NYSE:GE), and 3M (NYSE:MMM) are some of the few real industrials left in the Dow Jones Industrial Index. So what's the best industrial buy there? GE and MMM are both interesting, as they both have exposure to fast-growing markets like natural gas, building materials, power, and water.

In this video, Motley Fool Analyst Isaac Pino fields the question, "If I had to pick one or the other...." and gives you his personal pick between the two.

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