| Établissement | Lieu | Marchés | |
|---|---|---|---|
| WATT DESIGN & BUILD | Saint-herblain | 2 | Carte Concurrents |
| WATT DESIGN & BUILD | Saint-cyr-sur-loire | 1 | Carte Concurrents |
| WATT DESIGN & BUILD | Bron | 1 | Carte Concurrents |
| WATT DESIGN & BUILD | Orvault | 4 | Carte Concurrents |
| WATT DESIGN & BUILD | La seyne-sur-mer | 8 | Carte Concurrents |