Mushroom Company "Pieczarki Kołaciński" has existed for 17 years. The production is led by Sławomir Kołaciński. The company is situated in the village Świerczyńsko about 20 km far from Piotrków Tryb. It's Łódź district, powiat Piotrków, gmina Rozprza.

The company specializes in mushroom production. In 1987 the production area was 160 square metres. 3 years later it was improwed to 600 square metres. In 2000 there was another inwestment which made it bigger to 1000 sq. m. Everything was renovated and air-conditional and moreover everything is controlled by the computer systems. In 2003 another inwestment has been started. It's all going to be transformed into 4000 sq. metres production (10 workshops, 400 sq. metres each). At the beginning of June, 2004 the whole area of the company is 5400 sq. metres of the production line and on this area we produce mushrooms devoted to fresh market.