existence of similar institutions within each autonomous community of industry participants. The different forms of cooperatives and, among them, the ones of associated workers, consumers, housing, agricultural, services, seafarers, credit, education, health, insurance and transport cooperatives, worker-owned societies and associations, foundations and mutual societies, insertion companies, special employment centers, agricultural processing companies and fishermen's associations share the guiding principles of the social economy. All these organizations are covered, directly or indirectly, by the aforementioned articles of the Spanish Constitution. Their principles confer on them a distinct and specific character with regard to other types of commercial companies and organizations in Spain.