United Technologies Corporation (NYSE: UTX) and Caterpillar Inc. (NYSE: CAT) are both world-renowned U.S. industrial companies with significant exposure to the construction industry. And it’s right about there that the comparisons stop. Although President-elect Donald Trump’s victory saw both companies’ stock price jump on enthusiasm of favorable industrial conditions to come, the key drivers of the stock price of each company are significantly different. Here’s a look at what investors need to know before buying either stock.