Grzegorz Włodarski, "ENTRA"-usługi informatyczne

62.09.Z - Other information technology and computer service activities

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

63.99.Z - Other information service activities not elsewhere classified

73.11.Z - Advertising agencies activities

74.20.Z - Photographic activities

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

95.12.Z - Repair and maintenance of (tele)communication equipment

95.21.Z - Repair and maintenance of consumer electronics

95.29.Z - Repair of other personal and household goods