MACIEJ SEWERYN USŁUGI OGÓLNOBUDOWLANE

43.35.Z - Performing other finishing construction works

16.11.Z - Sawmill products production

16.24.Z - Wood packaging production

33.14.Z - Repair and maintenance of electrical devices

41.00.A - Construction work related to the construction of residential buildings

41.00.B - Construction work related to the construction of non-residential buildings

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

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

43.41.Z - Performing roof structures and coverings

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

68.12.A - Development of residential building projects

68.12.B - Development of non-residential building projects

68.12.C - Development of building projects

91.30.Z - Conservation and restoration activities and other supporting activities for cultural heritage