Triangle Capital (NYSE:TCAP) and Main Street Capital (NYSE:MAIN) are quite similar in dividend yield, investment size, and their impressive historical performance.

But lumping these two companies in the same basket is a mistake. Operational differences truly define each company's strategy, and their respective investment portfolios. See how Triangle Capital and Main Street Capital differ in how they invest, and the types of deals they tend to invest in.

In the following video, Motley Fool Financials Bureau Chief David Hanson and Fool contributor Jordan Wathen discuss where Triangle Capital and Main Street Capital diverge, and why it matters for investors.