Belgarena carries out industrial activities linked to the processing of inorganic matter, especially soil. This work includes:
- the pretreatment and mechanical, physical-chemical, and biological processing of slightly polluted soil;
- the pretreatment and mechanical processing of inert construction waste;
- the pretreatment and mechanical and biological processing of foundry sand and sand from wastewater treatment plants;
- the production of stabilised sand from natural sand; and
- building material logistics for the BPW sector (aggregates, sand, etc.).