J.M.S. Maciej Skrobski

42.11.Z - Works related to the construction of roads and highways

33.13.Z - Repair and maintenance of electronic and optical devices

33.14.Z - Repair and maintenance of electrical devices

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

38.11.Z - Collection of non-hazardous waste

39.00.Z - Activities related to reclamation and other waste management services

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

42.12.Z - Works related to the construction of railways and underground railways

42.13.Z - Works related to the construction of bridges and tunnels

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

42.22.Z - Works related to the construction of telecommunications and electrical lines

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

43.21.Z - Installation of electrical systems

43.29.Z - Specialized construction works

43.32.Z - Installation of building carpentry

43.34.Z - Painting and glazing

43.91.Z - Masonry works

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

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

46.76.Z - Wholesale trade

47.11.Z - Non-specialized retail trade with a predominance of food, beverages, or tobacco products

47.52.Z - Retail sale of small metal products, building materials, paints, and glass

47.79.Z - Retail sale of used products

49.41.Z - Road freight transport

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

73.20.Z - Market research and public opinion polling

81.21.Z - General cleaning of buildings

81.22.Z - Other cleaning of buildings and industrial premises

81.29.Z - Services related to maintaining buildings and landscaping

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