JACEK KOLECZKO

62.02.Z - Computer consultancy activities

33.12.Z - Repair and maintenance of machinery

43.21.Z - Electrical installation

43.29.Z - Other construction installation

46.90.Z - Non-specialised wholesale trade

47.41.Z - Retail sale of computers, peripheral units and software in specialised stores

47.42.Z - Retail sale of telecommunications equipment in specialised stores

47.59.Z - Retail sale of furniture, lighting equipment and other household articles in specialised stores

47.81.Z - Retail sale via stalls and markets of food, beverages and tobacco products

47.82.Z - Retail sale via stalls and markets of textiles, clothing and footwear

47.89.Z - Retail sale via stalls and markets of other goods

58.21.Z - Publishing of computer games

58.29.Z - Other software publishing

62.01.Z - Computer programming activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

63.99.Z - Other information service activities not elsewhere classified

74.10.Z - Specialised design activities

74.90.Z - Other professional, scientific and technical activities not elsewhere classified

77.40.Z - Leasing of intellectual property and similar products, except copyrighted works

82.99.Z - Other business support service activities not elsewhere classified

95.11.Z - Repair and maintenance of computers and peripheral equipment