Standard sizes for blocks are 3,20–3,60 m x 1,60–2,00 m x 1,20–1,60 m. It is possible to purchase blocks directly from some quarries. However, it is more usual that blocks are purchased from a dedicated wholesalers.
Every year the Bärlocher AG extracts about 10.000 m³ Rorschacher Sandstein from its own quarry.
Rexgranit offers blocks, unmeasured plates, facades, window sills, stairs, kitchen bench-tops and finished natural stone.
Grein Italia has specialised in the production of blocks and slabs of marble, onyx, travertine and granite.
Lino Polti e Figli offers Calanca Gneis from own quarries.