Energy Transfer Equity, L.P. (NYSE: ETE) and Copano Energy, L.L.C. (NASDAQ:CPNO) are both natural gas pipeline companies, but which is the superior stock? We will contrast the two companies based on the strength of their earnings, profitability, analyst recommendations, dividends, institutional ownership, valuation and risk. Institutional & Insider Ownership 48.3% of Energy Transfer Equity, L.P. [...]