Calumet (NASDAQ:CLMT – Get Free Report) and PostRock Energy (OTCMKTS:PSTRQ – Get Free Report) are both energy companies, but which is the superior investment? Analyst RatingsThis is a breakdown of recent ratings and target prices for Calumet and PostRock Energy, as provided by MarketBeat.com. Given Calumet’s stronger consensus rating and higher probable upside, analysts plainly believe Calumet is more favorable than PostRock Energy. PostRock Energy has lower revenue, but higher earnings than Calumet. SummaryCalumet beats PostRock Energy on 6 of the 9 factors compared between the two stocks.