The enamelling plant in Heidenreichstein is purchased by the Wolf Group for the production of enamel silos and vessels for agricultural use

1988
Development of a modular system and production of first slurry tanks

1991
Production of the first grain silo

1995
First export success

1996
Increase of the export quota to 60%

2000
Production of the first containers for biogas
Spin-off of Wolf Enamel GmbH within the Wolf Group
ISO certifications follow

2003
Construction of the first large biogas fermenters

2005
Exports are increased, export quota 90%

Enamel Quality Certificate granted by the "European Enamel Authority"

2007
Acquisition by Graduated Engineer Günther Fuchshuber

2009
Product Relaunch: Long panels, enamelling, bolting

2011
Record Year with doubling in turnover

Investments in plant modernisation

2012
Introduction of the EN1090 design of steel support structures, building renovation

2014
Certification according to EN ISO 28765

2015
Record turnover of € 14.7m with an export quota of more than 90%, certification according to EN ISO 14001:2004

2016
NSF certification; Plant extension including a new production hall in Heidenreichstein as well as enlargement of the machine park at the existing location

2017
30th Anniversary
Leading Company Award

2018
investment in one of the most modern sheet metal brushing systems

2019
Implementation of a car e-charging station with cooperation partner Ella

2020
investment in a modern 9kw Amada fiber laser = a tripling of the cutting performance with an energy reduction of >20%.

2021
parts of the factory are completely renovated, newly insulated and equipped with a high-performance PV system with 92kWP

2022
Modernization of the enamelling furnace – increase in throughput by more than 10% with energy reduction of 25%.

Turnover has doubled since 2015

2023
Expansion through the acquisition of an adjacent plot of land of 6800m²

Increase in export ratio to 99.8%

GLS Tanks International GmbH Downloads

GLS - Thermal Insulation of Anaerobic Digesters Datasheet