This senior thesis has been done with the objective to apply the Economic Value Added (EVA) in measuring the business value of lines of business from company “Gases A. L. A”. Because this methodology financial performance presents the advantages of traditional financial indicators as well as it validates the complex interactions of creating business value and the relationship with the risk. In its measurement, it was made the Weighted Average Cost of Capital WACC from foreign view that wishes invest in Colombia. In the measurement of the investment in active fixe by lines of business, it was calculated the portfolio and suppliers. The quantification of financial risk was made applying the standard deviation methodology, because with this method was possible to value the volatility by each line of business respect its generation and the uncertainty that it generate. According to purpose in the senior thesis, were analyzed the fallowing variables: statement results, cash flow, liquidity indicator, profitability, debt and productivity, EVA and its respective standard deviation, for each line of business (Home Care, medical institutions, commercial and industrial market) in the latest four years (2009 – 2013), with the conclusion in the profitability - risk matrix. With this tool it was possible to identify that the hospital medical market is the most profitable line and of least risk. However, it has been recommended for the company to reorganize its investment in the active fixe as way for to increase the productivity and to generate strategies for business that permit to get better of portfolio, inasmuch this is the risk most representatively for this line of business.