- 23.20 — Manufacture of refractory products
- 08.12 — Extraction of sand, gravel, clay and kaolin
- 46.21 — Wholesale of grain, unmanufactured tobacco, seeds and animal feeds
- 55.90 — Activities of other means of temporary accommodation
- 56.29 — Supply of various dishes
- 68.20 — Leasing and exploitation of own or leased real estate
- 71.12 — Activities in the field of engineering, geology and geodesy, provision of technical advice in these areas
- Refractory chamotte.
- Weight mullite.
- Powder fireclay.
- Fireclay lumpy.