J&M SYSTEM Jacek Małkiewicz

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

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

33.14.Z - Repair and maintenance of electrical devices

43.21.Z - Installation of electrical systems

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

43.29.Z - Specialized construction works

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

47.41.Z - Retail trade

47.42.Z - Retail trade

47.59.Z - Retail trade

47.78.Z - Retail sale of other new products

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

62.02.Z - Activities related to programming, IT consulting, and related activities

62.09.Z - Activities related to programming, IT consulting, and related activities

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

80.20.Z - Detective and security activities