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