Based on the aggregated intelligence of 180,000-plus investors participating in Motley Fool CAPS, the Fool's free investing community, natural gas transporter MarkWest Energy Partners (NYSE: MWE) has earned a respected four-star ranking.

With that in mind, let's take a closer look at MarkWest's business and see what CAPS investors are saying about the stock right now.

MarkWest facts

Headquarters (Founded) Denver (1988)
Market Cap $5.7 billion
Industry Oil and gas storage and transportation
Trailing-12-Month Revenue $1.6 billion
Management Chairman/CEO Frank Semple
CFO Nancy Buese
Return on Equity (Average, Past 3 Years) 4.1%
Cash/Debt $350.6 million / $1.8 billion
Dividend Yield 5.7%

Sources: S&P Capital IQ and Motley Fool CAPS.

On CAPS, 95% of the 391 members who have rated MarkWest believe the stock will outperform the S&P 500 going forward.  

Earlier this week, one of those bulls, All-Star latimerburned, succinctly summed up the bull case for our community:

Interesting emerging Marcellus/Utica assets to go with a diverse base with assets in the Southwest and Gulf Coast. Lots of growth on the horizon and solid financials. Solid distributions with a good payout ratio.

If you want market-beating returns, you need to put together the best portfolio you can. Owning exceptional stocks is a surefire way to secure your financial future. Of course, despite a strong four-star rating, MarkWest may not be your top choice.

We've found another energy play we are incredibly excited about -- excited enough to dub it "The Only Energy Stock You'll Ever Need." We have compiled a special free report for investors to uncover this stock today. The report is 100% free, but it won't be here forever, so access it now.

Want to see how well (or not so well) the stocks in this series are performing? Follow the new TrackPoisedTo CAPS account.