Incorporation of the Seeland Co. Manufacture of sports ground material; sales of boiler slag.
Beginning of the marketing of waste rock pile material and tailings.
Move of the Seeland Co. to the premises of the former colliery Bismarck 1/4. Preparation of grounds. Manufacture of sports ground and path construction material.
Beginning of the marketing of power station by-products. Acquisition of the Messel oil slate quarry; excavation of a raw material deposit which is unique in Germany. Foundation of the Messel subsidiary.
Beginning of the production of brick dust for tennis courts.
Beginning of the production of lawn support layers for sports ground construction.
Rehabilitation of brownfield sites. Quarrying of so-called burning stockpiles under extremely difficult conditions. Preparation of sports ground and path construction material.
Centralisation of the preparation activities on the newly acquired grounds in Bottrop/IndustriestraÃe.
Corporate name change to GELSENROTÂ® Spezialbaustoffe GmbH.
Beginning of the production of recycling building materials.
Large-scale technical manufacture of extensive and intensive vegetation substrates for soil-bound areas.
Commissioning of the stone chip works Borken/Burlo (end of recultivation in 2004)
Setting up of the subsidiary in Freiberg/Saxony.
Manufacture and sales of tree substrates.
Site preparation of commercially used large-scale areas.
Commissioning of the open storage facility in Pfaffenhofen near Munich.
Company silo vehicles in the location of Bottrop.