The engineering company for pipeline installation, rehabilitation and maintenance “Prof. Dr.-Ing. Stein & Partner GmbH” has been founded in 1993 by Prof. Dr.-Ing. Dietrich Stein. From 1979 until his retirement in 2003, Prof. Dr.-Ing. Dietrich Stein did research and taught at Ruhr-University in Bochum in the fields of construction technology, installation of cables and pipes, rehabilitation and maintenance. On his initiative, the Institut für „Unterirdische Infrastruktur“ (IKT) - Institute for Under-ground Infrastructure was founded in 1994 in Gelsenkirchen as an affiliated institute of the Ruhr-University Bochum. He then became its Scientific Director until 2000.

On a national and international level, Dietrich Stein and members of staff at Prof. Dr.-Ing. Stein & Partner GmbH participated in numerous organisations and bodies. In the DWA Prof. Stein became chairman for the expert committee ES-8 Condition Management and Rehabilitation and spokesman of several work groups. As the author of the standard reference books “Rehabilitation of Drains and Sewers”, “Trenchless Technology for Installation of Cables and Pipelines” and “Der begehbare Lei-tungsgang (Utility Tunnels)” (see Appendix 1) as well as many other publications, he established these topics as lasting specialist fields in civil engineering. In 1998 he was awarded the Federal Cross of Merit on Ribbon in the Federal Republic of Germany for his work and personal commitment.

Since 1996 his son, Dr.-Ing. Robert Stein, has been the managing director of Prof. Dr.-Ing. Stein & Part-ner GmbH. In 2006 the engineering services were spun off into the subsidiary S & P Consult GmbH and the business activities of the company were extended to the areas of asset management and learning & development and media production ( ). In the year 2000 it came to the union of the "Ingenieurgesellschaft für Umwelttechnik und Infrastruktur mbH" (ingutis), which was founded by Dr.-Ing. Peter Drewniok 1990 in Leipzig, and the S & P Consult GmbH, Bochum to the STEIN Ingenieure Gmbh (www.STEIN-Ingenieure GmbH).

The company Prof. Dr.-Ing. Stein & Partner GmbH looks back on a successful company history of nearly three decades, in which the company has not only solved most difficult tasks in all areas of pipeline-bound infrastructures, but also developed new standards, technologies and structural components.

We are proud of our reputation as providers of solutions, innovation- and market developers which is also due to our company culture that is characterised by passion, respect and pursuit of continuous development and advancement.