PFEIFER ISOFER AG has been a specialist in rockfall protection products for decades. The company, which was founded in 1956 and is headquartered in Knonau, Switzerland, has experience gained from over 1000 rockfall protection projects all over the world. The former ISOFER AG has belonged to the PFEIFER Group since 2008. Apart from an extensive product range of protective systems against rockfalls, avalanches and mudflows, the Swiss company distributes further products from the PFEIFER assortment. The range extends from crane ropes, industrial ropes and lifting devices to protective equipment and a mobile inspection service for attachment devices and cargo lashing equipment. Moreover, PFEIFER ISOFER is the general agent in Switzerland for the Pewag-brand snow and tyre protection chains.
  • Performance
    PFEIFER ISOFER AG is a reliable partner for modern and safe rockfall protection products as well as application-oriented wire rope and lifting technology with an instinctive understanding of market requirements. Our qualified employees take care of the development, production and making up of our products and advise you competently and reliably. Experienced application technicians from the PFEIFER headquarters in Memmingen are at your service. Our regional closeness, high readiness for delivery and efficient logistics are further advantages for our customers.
  • Certificates

    DIN EN ISO 9001:2015

    ETAG 027-certified kits for rockfall protection nets
  • History


    Founding of ISOFER AG


    General agent for round link chains and snow chains from the Styrian chain manufacturer Pengg-Walenta KG Graz (now Pewag Austria GmbH)


    Purchase of premises in Knonau


    Protection systems against rockfall and avalanches become part of the product range.


    In-house production of nets for protection systems


    Introduction of the mobile testing service for attachment devices and cargo lashing equipment


    Certification in accordance with ISO 9001


    Extension to wire rope warehouse with in-house assembly


    50th anniversary of the company


    In the context of the succession plan, ISOFER AG becomes a subsidiary of the international PFEIFER Group.

Learn more about PFEIFER ISOFER

Business unit
Rockfall protection products


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