The purpose of this research is to acknowledge and to analyze the marketing structure in the industry of rubber and the product itself in Indonesia during the year of 2009. The industrial rubber and the product itself are expected to play a vital role in escalating more employment opportunities as well as a positive economical growth. With the role stated above, one can cultivates and presents a developing direction so that it can compete with other industrial sectors in the economic perspective. The data obtained will be a secondary data. The instruments that are used to analyze the marketing structure would be CRn (the concentration of ratio n)and IHH (Herfindahl-Hirschman Index). Subsequently the marketing structureof the rubber industry and the rubber product itself in Indonesia will also be analyzed descriptively. The data is obtained from BPS and the nation's Ministryof Industry. By analyzing the marketing structure using the concentration ratio methodattained from the four of the largest companies in the market share (CR4),one can fabricate a conclusion regarding the marketing structure of the rubber industry and the product in Indonesia during the year of 2009 to be deduced as an oligopoly marketing structure.