As the opportunities given to Romanian companies rose, due to the global market process, while growing competition, at both macro and micro-economical level, so grew the necessity for an analysis able to stress competitively and to substantiate the best developing means. At C.A.E.N. division level it appeared the necessity to calculate the internal market quota and imports/exports ratio, in order to rank the processing national companies from the competitive abilities` point of view versus external competition. It was also evaluated the representation degree of various indexes as far as companies` competitively is concerned for seven industrial fields of the national processing industry, using the Excel Regression Module, by multiple regression. The conclusions drown afterwards can help company managers who aim to develop, to base their decisions an elements with a high positive effect and to efficiently use available resources.