- 25.73 — Production of tools
- 28.29 — Production of machines and equipment of common purpose, n.v.d.g.
- 46.12 — The activities of intermediaries in the sale of fuels, ores, metals and industrial chemicals
- 46.69 — Wholesale trade of machinery and equipment
- 46.71 — Wholesale of solid, liquid and gaseous fuels and related products
- 72.19 — Research and experimental development in other natural sciences and engineering
Research and development on natural sciences and engineering