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Frerk Aggregatebau introduces itself

Hard facts

  • Employees: 140
  • Production area: 13.000 m²
  • Storage area: 1.500 m²
  • Test fields:
  • 8 Indoor testing stations, including 3 with gas connections
  • 1 outdoor testing station for large systems
  • Crane capacity: 100 tonnes per hall
  • Employees in After-Sales-Service: 19
  • Fleet:
  • 19 service cars, each of them with about 45,000 km per year for you in use
  • Emergency service car, always on call
  • 24 hours emergency service at 365 days a year
  • Service deployment a year: Over 1000
  • In-house paint shop

Our company history at a glance

Frerk Aggregatebau GmbH has been producing power generation systems for a wide range of applications since 1964 – that's over 50 years of experience and top performance for the power supply.


Volker Frerk founds an electro-mechanical engineering company in Balge and manufactures Emergency Diesel Generators up to 0.64 MW


Construction of a production hall with office building in Schweringen


Takeover of Frerk Aggregatebau GmbH by Uwe Fiebiger, Horst Depine and Erich Hiller


Founding of Frerk & Harloff GmbH


Foundation of the sales office South in Viernheim, Germany


Construction of a new production hall with four modern test facilities


Certification according to ISO 9001:2008


Construction of a further production hall with four modern test facilities


Construction of a production hall: Enlargement of the production area to approx. 11,000 m²


  • Extension of the production area
  • Construction of a new office building
  • Enlargement of the total area to 25,000 m²


Commissioning of a 1,500 m² warehouse


Certification according to DIN EN ISO 3834: Welding in series production, one-off production, repair and on the construction site (assembly). The certificate applies to all welding application areas


50th company anniversary


  • Certification according to ISO 9001:2015
  • Service Location Flensburg


Service Location Bickenbach


Sales manager for the Asia-Pacific region based in Perth WA

Our highly qualified and experienced team


Frerk is proud of its highly qualified and experienced team. Each and every one of our employees works with his entire professional expertise and passion for our customers worldwide.

Our staff is international. We value each personality with their individual skills as well as the cultural differences and use this asset as an opportunity to better shape our products and promote collaboration.

Check out our current job offers here.

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