Steuler has been around for quite some time and made ceramic products of varied quality. Today they are still producing cermamic tiles.

Below a short timeline:

Left: A duo of early 60's decor showing a turkisch underglaze with brownish lava glaze in abstract pattern;
Middle: A set Zyklon vases designed by cari Zalloni from the 70's;
Right: 80's design by Heiner Balzar. Known for is sculpural vases.

  

Duemler and Breiden started in 1883 in the Hohr region. In the early 70ties the manufactured the " Relief' series with a typical vase designs. Well known and highly collectable wihtin this series was the " Polar" decor.

These were made with several theme colours in red, orange, blue and green. Shown below a set in green.

Ruscha made some spectacular wall tiles. These are the larger tiles with highly graphical pictures of mainly horses and that of Roman chariots. They were made around 1970.

The so called mushrooms feature a 3D element. The ceramic mushrooms are laid on top of the tile or plate (both square and round) and then glazed bright orange.