De Urn pottery influenced by prior work experience at St. Lukas. This ceramics factory exixted only for 1 year. Mark/backstamp: in full (Pottery) de Urn Nijmegen Holland.

Pottenbakkerij Vermeulen, this pottery factory made primarily (rustic handcrafted) red baking with white decorated ceramics. Covered with transparant lead glaze. Take over in 1965 by Tichelaars Koninklijke Makkumer Aardewerk- en Tegelfabriek/Pottery & Tile Factory, which produced also hollow-ware/kitchenware items. Mark/backstamp: Pottenbakkerij Vermeulen.

Jules Vermeire designed pottery sculptures/figures, executed by Cees Sluyter and Gerrit de Blanken. Sculptor. Mark/backstamp: JV

Hollow-ware/kitchenware and decorative pottery, like cups and saucers with carved out rims, presented at the Spring Exhibition of 1956, hand decorated occassional/commemorative ceramics. Willem Stuurman & C.A. Klaar were designers for Pottery Factory/Aardewerkfabriek De Vlieguut. Mark/backstamp: Vlieg-Uut Soest.

Willem de Vries had his own little ceramics workshop pottenbakkerij 'Elfhoeven' between 1936-1938. In 1932 designed just for a short while for St. Lukas and en assisted Bert Nienhuis in his workshop in the beginning of 1933. Worked between 1933-1936 at Gouda Pottery Factory Regina, he begins as plaster-pourer, mould-maker, hand-turner and worked himself up to designer.

Handmade decorative ceramics before 1940, after 1945 Pottery Factory/Pottenbakkerij 't Vuur (= fire) produced some machine-made kitchenware/hollow-ware, like cups and saucers. Mark/backstamp: 'T Vuur. G.de Bruin

Hollow-ware/dinnerware ceramics and unica/single pieces, handcrafted and handpainted at Pottery Factory/Pottenbakkerij de Vuurvogel (= firebird), still in operation today. Mark/backstamp: De Vuurvogel or a V. W. Jansen

Controversial artist, in the last two decades of his life Erich Wichmann designed vases and masks. Since half 1920s Wichmann designed pottery dinner sets for the Decorative Art Department of Zuid Holland, based on royalties. Mark/backstamp: W on Zuid Holland pottery.