| Ditta | Cantone | NAP | luogo | Sito web | |
|---|---|---|---|---|---|
| EQUANS Techniques SA La Chaux-de-Fonds | Neuchâtel | 2300 | La Chaux-de-Fonds | www.engie.ch | |
| EQUADA SA | Neuchâtel | 2300 | La Chaux-de-Fonds | www.equada.ch | |
| Energys Sàrl | Neuchâtel | 2300 | La Chaux-de-Fonds | ||
| ALZA Architecture-Conseils Sàrl | Neuchâtel | 2300 | La Chaux-de-Fonds | www.alza-architecture.ch | |
| Planair SA | Neuchâtel | 2314 | La Sagne | www.planair.ch | |
| Pierre Renaud | Ingénieur conseil EPFZ | Neuchâtel | 2314 | La Sagne NE | www.pierrerenaud.ch | |
| Bureau technique Denis Chaignat SA | Giura | 2350 | Saignelégier | www.chaignat.ch | |
| ECD Etudes Chauffage Duprat Sàrl | Neuchâtel | 2400 | Le Locle | ||
| GREENBUILD Srl unipersonale | 24021 | Albino (Bergamo) | www.grenbuildhouse.com | ||
| Gschwend Architekten GmbH | Berna | 2502 | Biel/Bienne | www.gschwendarchitekten.ch | |
| Prona AG | Berna | 2502 | Biel/Bienne | https:www.prona.ch |
|
| eicher+pauli Biel AG | Berna | 2502 | Biel/Bienne | www.eicher-pauli.ch | |
| Joulia SA | Berna | 2503 | Biel/Bienne | www.joulia.com |
|
| Sanitas Troesch AG | Berna | 2504 | Biel | www.sanitastroesch.ch | |
| baderpartner ag | Soletta | 2540 | Grenchen | www.baderpartner.ch | |
| Bigolin + Crivelli Architekten AG | Soletta | 2540 | Grenchen | www.bigolin-crivelli.ch | |
| SW Bau und Architektur AG | Soletta | 2540 | Grenchen | ||
| MSR-Technik GmbH | Berna | 2557 | Studen | ||
| ABS Architekten AG | Berna | 2560 | Nidau | www.absarchitekten.ch | |
| Baumann + Khanlari Architekten AG | Berna | 2560 | Nidau | www.baumann-khanlari.ch |
