About Us -
About Us -
About Us -
About Us -

About Us

1984
Foundation of the company

1985
Development and production of gas filling systems

1986
Move to the new site Deipenbrook

1990
Development and production of noise silencers/ THEILencer ®

1994
Development and production of heat exchangers

1996
Production of pressure vessels in compliance with the German Pressure Vessel Code

1997
Certified company for providing training/ apprenticeship

2002
Production of hydrogen fuelling stations for vehicles

2007
Production of a hydrogen filling system with a filling pressure of 700 bar

2008
Enlargement of the workshop area/ construction of a new hall

2009
Extension of the office area / new design and drafting office
25th anniversary of Theisen GmbH
Change of company’s legal form to Theisen GmbH & Co. KG

2010
Werk II / Expansion into new production facility with aprox. 1.000m² at Schützenstrasse

2013
Extension of the office area
New conference and training room, new design and drafting office, new documentation and archives office

2017
Werk III / new production facility with office rooms at Deipenbrook