Jansen AG
Swiss steel and plastic company, founded by Josef Jansen of Aachen

Jansen AG is a family-owned company that develops, manufactures and distributes steel profile systems for windows, doors and facades as well as plastic products for the construction industry. It was founded by Josef Jansen in 1923, starting with 6 employees.
The company started producing steel pipes in 1930. In 1955, plastic tubes were added to the range of products. Today, the plastic product portfolio includes systems for geothermal energy, building technology and piping systems. In 1997, a first new production site outside Switzerland was established in Dingelstädt, Germany. In 2021, Jansen AG decided to focus on steel products for windows, doors and facades, spinning-off its supplies for the automotive industry to Mubea.
As the exclusive licensee of Schüco in Switzerland and Liechtenstein, Jansen also offers architects and processors solutions made of aluminium.
In 2023, Jansen AG acquired Rino Weder AG, a company located in Oberriet SG as well. Through this acquisition, powder coating technology was added to its capabilities.
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Chronology, provenance and viewpoint should be read together before a broad social or political interpretation is accepted. The source revision retrieved here is dated Oct 16, 2024. The linked authority identifier is Q1682975. VIAF identifies the subject as 131147822. 2 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1923, 1930, 1955 and 1997.
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This entry incorporates text from “Jansen AG” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.