OPTIMAL ENERGY CEZARY KRUK

43.22.Z - Plumbing, heat and air-conditioning installation

28.25.Z - Manufacture of industrial cooling and ventilation equipment

33.12.Z - Repair and maintenance of machinery

33.20.Z - Installation of industrial machinery and equipment and outfit

42.11.Z - Works related to construction of roads and motorways

42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified

43.11.Z - Demolition

43.21.Z - Electrical installation

43.99.Z - Other specialised construction activities not elsewhere classified

46.11.Z - Agents involved in the sale of agricultural raw materials, live animals, textile raw materials and semi-finished goods

46.18.Z - Agents specialised in the sale of other particular products

46.19.Z - Agents involved in the sale of a variety of goods

46.21.Z - Wholesale of grain, unmanufactured tobacco, seeds and animal feeds

46.71.Z - Wholesale of fuels and related products

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

46.77.Z - Wholesale of waste and scrap

46.90.Z - Non-specialised wholesale trade

47.99.Z - Other retail sale not in stores, stalls or markets

63.11.Z - Data processing, hosting and related activities

64.92.Z - Other credit granting

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

95.22.Z - Repair and maintenance of household appliances and home and garden equipment