C&K Jacek Krzyszkowski

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

43.21.Z - Electrical installation

43.29.Z - Other construction installation

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

47.43.Z - Retail sale of audio and video equipment in specialised stores

47.54.Z - Retail sale of electrical household appliances in specialised stores

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

47.62.Z - Retail sale of newspapers and stationery in specialised stores

47.63.Z - Retail sale of music and video recordings in specialised stores

47.65.Z - Retail sale of games and toys in specialised stores

47.79.Z - Retail sale of second-hand goods in specialised stores

47.91.Z - Retail sale via mail order houses or via Internet

58.21.Z - Publishing of computer games

58.29.Z - Other software publishing

61.10.Z - Wired telecommunications activities

61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities

61.30.Z - Satellite telecommunications activities

61.90.Z - Other telecommunications activities

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy 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

71.12.Z - Engineering activities and related technical consultancy

74.30.Z - Translation and interpretation activities

82.11.Z - Office administrative service activities

82.19.Z - Photocopying, document preparation and other specialised office support activities

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

85.59.B - Other out-of-school forms of education, not elsewhere classified