RETENTECH SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

71.12.Z - Engineering activities and related technical consultancy

28.99.Z - Manufacture of other special-purpose machinery not elsewhere classified

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

58.29.Z - Publishing of other software

62.01.Z - Activities related to programming, IT consulting, and related activities

62.02.Z - Activities related to programming, IT consulting, and related activities

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

72.19.Z - Scientific research and development 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