Certifications and attestations
Certifications:
Cosimco is recognised in the following categories and subcategories:
| category | class | description |
| C | 6 | General contracting work for road construction |
| C1 | 6 | General sewerage works |
| C2 | 1 | Water supply and laying all kinds of pipelines |
| C5 | 3 | Bituminous surfacings and coatings |
| D | 7 | General construction work |
| D1 | 7 | All building construction and roofing work |
| D10 | 1 | Tiling |
| D11 | 1 | Plastering and raking |
| D16 | 1 | Sanitary and gas heating installations by individual appliances |
| D24 | 1 | Restoration of monuments |
| E | 4 | General contracting work in civil engineering |
| F | 7 | General contracting of metal structures |
| F2 | 7 | Construction of metal support structures |
| G | 4 | General contracting work for earthworks |
| G5 | 1 | Demolition works |
| P1 | 1 | Electrical installations in buildings, including generator installations, fire and theft alarm equipment, telecommunications in buildings and their surroundings and mixed telephony installations or equipment |
