ISWC Nadzór i Inspekcja Konstrukcji Spawanych Marek Szymkiewicz

71.12.Z - Engineering activities and related technical consultancy

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

74.10.Z - Specialized design activities

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

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