E-T Tadeusz Ostrowski

46.18.Z - Activity of agents involved in wholesale trade of other specified goods

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

33.19.Z - Repair and maintenance of other equipment and installations

33.20.Z - Installation of industrial machinery, equipment, and devices

43.21.Z - Installation of electrical systems

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

43.23.Z - Installation of insulation

43.24.Z - Installation of other building systems

43.32.Z - Installation of building carpentry

46.14.Z - Activity of agents involved in wholesale trade of machinery, industrial equipment, ships, and aircraft

46.19.Z - Activity of agents involved in wholesale trade of non-specialized goods

46.64.Z - Wholesale trade of other machines and devices

46.83.Z - Wholesale trade of wood, construction materials, and sanitary equipment

47.79.C - Retail sale of other used products

70.20.Z - Business and management consultancy activities

71.12.B - Engineering activities and related technical consultancy

74.14.Z - Other specialized design activities

77.31.Z - Rental and leasing of agricultural machinery and equipment

77.32.Z - Rental and leasing of construction machinery and equipment

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

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