FIRMA HANDLOWO USŁUGOWA JACEK KRZYŻAK

70.20.Z - Business and management consultancy activities

43.11.Z - Demolition and destruction of buildings

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.35.Z - Performing other finishing construction works

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

85.59.D - Other non-school forms of education, not classified elsewhere