In fact, midstream energy bellwether Enterprise Products Partners (NYSE: EPD) and Magellan Midstream Partners (NYSE: MMP) both sport distribution yields of more than 6% today backed by solid businesses. Imagine owning an investment that offers three times the dividend yield of an S&P 500 index fund and the potential to grow your income stream at rates higher than inflation. You are, effectively, a "partner" in the entity and must report your portion of the overall partnership's results to the U.S. government based on a special form, a K-1, that you will get at tax time.