Cretacolor

Cretacolor is an Austrian manufacturer of writing instruments, specialized in art materials.

Since World War II, the company concentrated on the development and production of high quality art pencils. In recent years, high lightfastness has become an issue of increasing importance to artists, and Cretacolor has been one of the first manufacturers launching ranges of lightfast color pencils with its AquaStick and Marino lines.

...
Wikipedia