Heller Dawid TektoGeo

71.12.B - Engineering activities and related technical consultancy

09.10.Z - Service activities incidental to petroleum and natural gas extraction

09.90.Z - Service activities incidental to other mining and quarrying

25.12.Z - Production of metal doors and windows

25.53.Z - Mechanical processing of metal parts

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

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

43.13.Z - Performing excavations and geological-engineering drilling

74.20.Z - Photographic activities

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

85.59.D - Other non-school forms of education, not classified elsewhere