KJS CONSULTING KLAUDIUSZ STEFANOWSKI

71.12.Z - Engineering activities and related technical consultancy

41.10.Z - Realization of building projects related to erection of buildings

43.21.Z - Electrical installation

43.22.Z - Plumbing, heat and air-conditioning installation

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

71.20.B - Other technical testing and analysis

74.10.Z - Specialised design activities

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

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

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