3M4E SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

71.12.Z - Engineering activities and related technical consultancy

27.32.Z - Manufacture of other electronic and electric wire and cables

28.25.Z - Manufacture of industrial refrigeration, ventilation, and air-conditioning equipment

47.91.Z - Intermediary retail sale, non-specialized

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

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified

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

45.32.Z