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Oiarso Sociedad Cooperativa

Basque worker cooperative and parent of Bexen, a manufacturer of medical devices, bioprocessing solutions and defibrillators.

Last updated September 29, 2026

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Overview

Oiarso Sociedad Cooperativa is a Spanish worker cooperative based in Hernani, Gipuzkoa, in the Basque Country, and a member of the Mondragon Corporation (MCC). Founded in 1978, it operates primarily under the Bexen brand and describes itself as a manufacturer and distributor of healthcare solutions. The group is organised into three divisions: Bexen Medical, Bexen Bioservices and Bexen Cardio. Bexen Medical is a national manufacturer of medical supplies with three plants; Bexen Bioservices specialises in the biotechnology sector with private biorepository sites; and Bexen Cardio manufactures defibrillators with a broad international market. The cooperative states that it has 45 years of experience generating comprehensive solutions for the health sector and that it is the sum of two cooperatives. Beyond its Hernani headquarters, it has facilities in Alegia and in China. During the coronavirus crisis, the company announced in June 2020 that a new plant in Etxebarria would produce 20 million masks per month, and in December 2020 that it would store the Pfizer-BioNTech vaccines. The company's stated values are commitment, trust, adaptability and self-improvement, and it markets itself as a partner to healthcare professionals under the slogan 'Passion for life and for people'.

History

Oiarso Sociedad Cooperativa was founded in 1978 in Hernani, Gipuzkoa, in the Basque Country of Spain. It is a worker cooperative and a member of the Mondragon Corporation (MCC). The cooperative operates under the Bexen brand, which it uses for its healthcare activities. Over the years, it has expanded beyond its Hernani headquarters, establishing facilities in Alegia and in China. The group is structured into three divisions: Bexen Medical, Bexen Bioservices and Bexen Cardio. Bexen Medical has been a national manufacturer of medical supplies since 1978 and operates three plants. Bexen Bioservices focuses on the biotechnology sector, with private biorepository sites, and provides services such as biological sample storage, single-use bioprocessing bags, cell culture media, bioconservation, fill and finish, ultra-low temperature equipment and thawing systems. Bexen Cardio manufactures defibrillators and has a broad international market. The cooperative states that it is the sum of two cooperatives and has 45 years of experience in the health sector. During the coronavirus pandemic, Oiarso adapted to the crisis: in June 2020 it announced that a new plant in Etxebarria would produce 20 million masks per month, and in December 2020 it announced that it would store the Pfizer-BioNTech vaccines. The company continues to position itself as a comprehensive partner for healthcare professionals, with a stated purpose of accompanying those who care for health.

  • 2020

    Announced production of 20 million masks per month at new Etxebarria plant (June).

  • 2020

    Announced storage of Pfizer-BioNTech vaccines (December).

  • 1978

    Oiarso Sociedad Cooperativa founded in Hernani, Gipuzkoa, Spain.

Products and positioning

Comprehensive healthcare solutions manufacturer and distributor, with a focus on quality of life and close customer relationships.

  • Bexen Medical

    National manufacturer of medical supplies with three plants.

  • Bexen Bioservices

    Specialists in the biotechnology sector with private biorepository sites; offers bioprocessing bags, cell culture media, bioconservation, fill and finish, ultra-low temperature equipment and thawing systems.

  • Bexen Cardio

    National manufacturer of defibrillators with a broad international market.

Sources6 sources

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