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Part of ACO Guss - we are one big family!

Since 2014, ALLERUP TEKNIK A/S has had ACO Guss as its parent company. ACO Guss is part of the ACO Group, which employs approximately 5,200 people worldwide. Being part of a big family does not only mean that we are flexible to deliver exactly the castings our customers need. The community also means that we can share a lot of useful knowledge between us, which makes both ALLERUP TEKNIK A/S and our sister companies smarter in the industry. All for the benefit of our customers.

ACO Guss wants to help customers in the best possible way. Therefore, a document with technical data and specifications has been developed to help customers to

• compare different material qualities
• prevent errors in production
• maximise the value of their products
• choose the right material for their applications.

You can read the full document here.

ACO Guss is a key manufacturer of cast iron in Europe. ACO Guss - including ALLERUP TEKNIK A/S - wants a close co-operation with our customers. Therefore, we are with you all the way - before, during and after your projects are realised. Therefore, please contact ALLERUP TEKNIK A/S today for a non-binding offer.


ACO. we care for water.

ACO Guss is part of the ACO Group, a family business with roots in Schleswig-Holstein. Under the leadership of Hans-Julius Ahlmann and his son Iver Ahlmann, the ACO Group independently develops and implements long-term strategies. The success speaks for itself. Through internationalisation and diversification, they can compensate for major regional market fluctuations in the construction industry and help ACO continue its growth journey.

ACO Group is one of the global market leaders in drainage technology. Climate change presents us all with the challenge of responding to new climate conditions with innovative solutions. With a holistic approach, ACO stands for professional drainage, efficient cleaning and controlled drainage or water reuse. Products include drainage channels and drains, oil and grease separators, backflow systems and pumps, as well as pressurised basement windows and light boxes.

The family-owned company with headquarters in Rendsburg/Büdelsdorf was founded in 1946 at the Carlshütte Foundry, which was the first industrial company in Schleswig-Holstein. The innovative strength of the ACO Groups is based on intensive development and research as well as expertise in the processing of polymer concrete, plastics, cast iron, stainless steel and reinforced concrete.