Pioneer Southwest Energy Partners (UNKNOWN:PSE.DL) and Hi-Crush Partners (NYSE:HCLP) have had banner years. In fact, year to date, they are the two best-performing master limited partnerships on the market. In this video, contributor Aimee Duffy takes a look at which MLPs round out the top five and how the sector is performing overall, especially compared to the S&P 500.

Fool contributor Aimee Duffy has no position in any stocks mentioned. Fool contributor Tyler Crowe has no position in any stocks mentioned. The Motley Fool owns shares of HI-CRUSH PARTNERS LP UNIT LTD PARTNER INTS. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.