"Studnie od A do Z. s.c. Kaczmarek Zbigniew- Kaźmierczak Andrzej"

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

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

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

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

43.23.Z - Installation of insulation

43.50.Z - Specialized construction works in the field of civil and water engineering

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

49.41.Z - Road freight transport