Robert Siwek Elementary Consulting

62.01.Z - Computer programming activities

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

58.11.Z - Book publishing

58.12.Z - Publishing of directories and registers (e.g. street, phone directory)

58.13.Z - Publishing of newspapers

58.14.Z - Publishing of journals and periodicals

58.19.Z - Other publishing activities

58.21.Z - Publishing of computer games

58.29.Z - Other software publishing

79.90.A - Couriers on package tours and tour guides activities

79.90.B - Tourist information activities

79.90.C - Other reservation service activities not elsewhere classified

80.10.Z - Private security activities, excluding security systems service activities

80.20.Z - Security systems service activities

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