Instalacje HVAC Trelka Jacek Jacek Hubert Trelka

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

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

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

41.10.Z - Construction work related to the construction of residential and non-residential buildings

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

43.21.Z - Installation of electrical systems

43.29.Z - Specialized construction works

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

46.63.Z - Wholesale trade of machines used in mining, construction, and civil and water engineering

46.69.Z - Wholesale trade

46.74.Z - Wholesale trade

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

71.12.Z - Engineering activities and related technical consultancy

74.10.Z - Specialized design activities

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

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use