1897
Founding of the company Kömmerling in Pirmasens by Karl Kömmerling
1954
The first mass-produced PVC window was manufactured under the brand TROCAL in Troisdorf
1980
Founding of KBE window systems in Berlin as a high-performing extrusion company
1999
HT TROPLAST purchased KBE and with that it owned the three brands: TROCAL, KNIPPING and KBE
2000
HT TROPLAST acquired KÖMMERLING KUNSTSTOFFE and so became the leading supplier on the international profile market
2003
Founding of profine GmbH as a parent company of the HT TROPLAST profile activities
2004
Selling of HT TROPLAST to international private equity investors
2005
Restructuring of HT TROPLAST – focus on core activity profiles
2012
Acquisition of the company by Dr Peter Mrosik
2014
Introduction of a new generation of platform profile systems
2017
International expansion with new plants and extensions of sites
2020
Founding of the foundation Kömmerling Better World Stiftung (charitable organisation)
2021
Introduction of profile bodies made from 100% recycled material (ReFrame)
2022
125th anniversary of the Kömmerling brand
2024
Expansion of further international production sites
2024
profine Group acquires EFP International B.V. to expand into aluminium systems and facade solutions