1901
The two brothers Gerhard and Arie Jacob Nagtegaal start a factory in Gouda for the production of refractory material under the name of Firma Gebrs. Nagtegaal.
1909
Arie Jacob leaves the company and transfers his share to his sister Anna Maria.
1945
Gerhard's son Gerard Cornelis and the latter's brother-in-law Eduard Carel van den Bovenkamp buy-out the founders of the company and focus on supplying to the petrochemical industry, which is growing rapidly thanks to the post-war reconstruction.
1954
Firma Gebrs. Nagtegaal becomes an NV (Dutch limited liability company) with more than 60 employees.
1959
Partnership with De Porceleyne Fles leads to a new name: NV Gouda Vuurvast, Verenigde Vuurvaste-Steenfabrieken. New offices and a modern laboratory are built on the company's site. The factory is already using a tunnel oven. Regular customers for the company's refractory bricks and concrete include Shell, Esso, Stork, Philips, Ketjen, Werkspoor, Koninklijke Sphinx, Koninklijke Mosa, the Royal Netherlands Navy and the NS (Dutch Railways).
1969
Acquisition of the Oven Building department of De Porceleyne Fles. By now the company has more than 150 employees.
1972
Acquisition of the French company Carbonisation Entreprise et Céramique (CEC). This in turn later became part of the cement producer Lafarge.
1983
De Nagtegaal and Van den Bovenkamp families buy Gouda Vuurvast back from Lafarge.
1987
Gouda Vuurvast is listed on the Amsterdam stock exchange.
1996
Acquisition of the Belgian oven builder Selanco Vuurvast in Schoten leads to the formation of Gouda Vuurvast Belgium.
1998
Gouda Feuerfest is established in Germany.
2008
Gouda Vuurvast becomes part of the RijnDijk Groep, which changes its name to Andus Group at the beginning of 2009. The group has four divisions working in the oil & gas, steel construction, refractory and process industries.
2009
Andus Refractories has five independent operating companies: Gouda Refractories, Gouda Projects, Gouda Vuurvast Services, Gouda Vuurvast Belgium and Gouda Feuerfest (Germany).