Services: Construction of gas supply, heat supply, water supply
- 71.12 — Activities in the field of engineering, geology and geodesy, provision of technical advice in these areas
- 43.22 — Installation water supply systems, heating and air conditioning
- 46.90 — Non-specialized wholesale trade
- 71.11 — Activities in the field of architecture
- 74.90 — Other professional, scientific and technical activities, n.v.d.g.
- 42.21 — Construction of pipelines
- 42.22 — Construction of facilities for electricity and telecommunications