CRACOW LINUX USERS GROUP

72.19.Z - Other research and experimental development on natural sciences and engineering

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

82.30.Z - Organisation of conventions and trade shows

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

85.60.Z - Educational support activities

96.09.Z - Other personal service activities not elsewhere classified