Due to concentration or development strategies, in recent years, worldwide, farmers are faced with a fundamental strategic decisions, namely to choose how to act better, in conditions of uncertainty, to make farms viable, profitable, resistance to competition, with markets and efficiency in accessing financial funds. Alternatively, farmers realize different forms of association, from which highlights cooperatives, producer groups and producer associations. In extension of Romanian agricultural cooperative should be considered the experience of countries economically developed, where an expansion was and diversification of agricultural cooperatives forms. In these countries agricultural cooperative was one of the main levers for concentration of agricultural production, of the transition from agrarian structure characterized by small farms and less specialized, to intensive ones, of large economic dimensions.