DEFFOR WELDING SERVICE SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

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

25.11.Z - Production of metal constructions and their parts

25.53.Z - Mechanical processing of metal parts

33.12.Z - Repair and maintenance of machinery

43.35.Z - Performing other finishing construction works

77.12.Z - Rental and leasing of trucks

77.32.Z - Rental and leasing of construction machinery and equipment

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