In 1901 the vitrified clay pipe factory was added, in 1905 the factories were taken over by the Teeuwen brothers, after which the name NV Greswaren Industrie Teeuwen was created in 1940.
The factory complex was built from 1899 and covered 6 hectares during its heyday. Louis Timmermans founded a steam roof tile factory and brick factory in 1899, he worked with his brothers-in-law Paul and Joseph Teeuwen, who also had a factory in Tegelen and Kaldenkirchen in the same segment. In 1901 the vitrified clay pipe factory was added, in 1905 the factories were taken over by the Teeuwen brothers, after which the name NV Greswaren Industrie Teeuwen was created in 1940.