Echelon (NASDAQ:ELON) and BIO-key International (NASDAQ:BKYI) are both computer and technology companies, but which is the superior business? We will compare the two businesses based on the strength of their earnings, valuation, analyst recommendations, profitability, dividends, institutional ownership and risk. Valuation and Earnings This table compares Echelon and BIO-key International?s gross revenue, earnings per share [?]