creating mobility

We provide our customers with comprehensive solutions for all questions and challenges in the area of transport logistics – whether for the road, factory premises or military logistics. We offer our customers truck bodies, trailers, semi-trailers and comprehensive solutions for civilian and military logistics. In addition, we use the engineering and manufacturing expertise gained from the construction and maintenance of vehicles for the supply of industrial services for industry and commerce.

News, Projects & Events

  • High-ranking visitors at our headquarter

    What an honour: On the occasion of the 555th anniversary of the St. Gallen-Appenzell Chamber of Commerce and Industry, around 20 guests from business and politics visited the GK headquarters in Kriessern.   CEO Philippe Köppel and Division Manager Refrigerated Vehicles…

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  • A transport solution that literally saves lives

    They are there when the going gets tough - the emergency response teams. One of their core tasks is to provide assistance in the event of major fires. To ensure that water gets to where it is urgently needed quickly…

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  • We weld with green energy

    A new photovoltaic system is in operation on the roof of our production hall in Kriessern. This will enable us to generate more than half of our annual electricity consumption ourselves in the future. Since recently, we have not only…

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  • GK receives certificate for innovative construction

    Nobody can avoid decarbonisation today, knows Philippe Köppel, CEO of GK Grünenfelder. This week, the vehicle manufacturer from Kriessern received a certificate for its unique body systems, which were specially designed for Hyundai's hydrogen truck. But with this, the journey…

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    Our offer


    Whatever your requirements are – we design and produce the right transport solution for you! We are your partner for individual, high-quality and innovative vehicle bodies for the road, the factory site and military logistics.


    In our two modern production facilities, we offer you a complete all-round package: From repairs to conversions to spare parts supply – we are at your side. We also manufacture individual parts and assemblies for industry and commerce.

    Work for us

    Industrielle Dienstleistungen GK Gruenenfelder AG

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    About us

    GK Grünenfelder AG is represented throughout Switzerland at two regionally well-positioned locations. At our headquarters in Kriessern, in the Rhine Valley of St. Gallen, we work on 16,000 square meters in three modernly equipped factory halls. In our branch office in Pratteln, in the Baselland, we offer our production and aftersales services with around 25 employees.


    Founded in the 1950es our business has developed over the years into a modern and innovative manufacturing company of mobility solutions for the road. Learn more about our history here.

    Why us?

    GK Gruenenfelder AG stellt Aufbauten, Aufbau fuer Sattelanhaenger, Anhaenger und LKW

    Flexibel and innovative

    We are versatile and agile and have a strong engineering department. We can therefore always find a suitable answer to current market and customer requirements in the transport industry and offer our customers innovative products.

    GK Gruenenfelder AG bietet hohe Schweizer Wertschoepfung

    Swiss Made

    Thanks to a modern engineering office, a wide machine park and well-trained staff, we achieve a high production depth. In this way, our customers receive products that are designed and planned in Switzerland and which are produced with high value added in Switzerland.  

    Globally Connected

    Thanks to our location in the St. Gallen Rhine Valley and our many years of activity on the market, we are well connected with global customers, suppliers and partners. This network enables us to recognize and implement trends and technical developments at an early stage. Our customers benefit from the…

    Certified Quality

    Our company is managed and audited according to the ISO 9001 standard. In addition, we have the defense technical certification and NATO approval number.

    GK Gruenenfelder AG bietet einen hohen Kundenfokus

    Customer Focus

    As a family-owned SME we have flexible structures and work closely with our customers. We offer you the necessary advice for the right solution for your transport challenge.


    We have been operating on the Swiss utility vehicle market for over 70 years. We've always found innovative solutions for the current needs of our customers.