| Element | Brand | Specified By |
|---|---|---|
| Facade Metalwork | Aplicaciones Industriales Etxebarri | Zenta21 |
| Interior Metalwork and Furniture | BURDINSA HIERROS | Zenta21 |
| Wood and Made-to-measure Furniture | Carpinteria Arvi | Zenta21 |
| Manufacturers | CEILICA | Zenta21 |
| Marble | EMEREX | Zenta21 |
| Ceilings, Walls and Floors, Plastic and Epoxy Paint | Juno | Zenta21 |
| Lighting | Luz Bilbao | IDOM, viar estudio, +1 |
| Air Conditioning | Servical Euskadi | Zenta21 |