SPS Zbigniew Piesyk

71.20.C - Other technical testing and analysis

43.99.Z - Other specialized construction works, not classified elsewhere

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

79.90.Z - Other reservation services and related activities (tourism sector)

85.51.Z - Non-school forms of sports education and recreational and sports activities

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