| Ditta | Cantone | NAP | luogo | Sito web | |
|---|---|---|---|---|---|
| G-Energie Gérard Struchen | Giura | 2900 | Porrentruy | www.g-energie.ch | |
| g-energie Gérard Struchen | Giura | 2900 | Porrentruy | www.g-energie.ch | |
| Airma Sàrl | Giura | 2900 | Porrentruy | www.airma.ch |
|
| DOMOFEN SA | Giura | 2950 | Courgenay | www.domofen.ch | |
| EQUANS Services AG Bern | Berna | 3000 | Bern 25 | www.equans.ch | |
| Bürgi Schärer Architekten AG | Berna | 3000 | Bern 22 | www.bsarch.ch | |
| SBB AG | Berna | 3000 | Bern | www.sbb-immobilien.ch | |
| Burckhardt Architektur AG | Berna | 3001 | Bern | www.burckhardt.swiss | |
| Enerconom AG | Berna | 3001 | Bern | ||
| Gartenmann Engineering AG | Berna | 3001 | Bern | www.gae.ch | |
| EIFFAGE SUISSE AG | Berna | 3005 | Bern | www.eiffage.ch | |
| GTI Engineering AG | Berna | 3005 | Bern | www.gtiag.ch | |
| ibe institut bau + energie ag | Berna | 3006 | Bern | www.ibe.ch | |
| Meier Tobler Lüftungshygiene AG | Berna | 3006 | Bern | www.lueftungshygiene.ch | |
| Meier Tobler AG | Berna | 3006 | Bern | www.meiertobler.ch | |
| hpb consulting ag | Berna | 3006 | Bern | www.hpbconsulting.ch | |
| CSD Ingenieure AG | Berna | 3007 | Bern | www.csd.ch | |
| Matter + Ammann AG | Berna | 3007 | Bern | ||
| Neosys AG | Berna | 3007 | Bern | www.neosys.ch | |
| Implenia Schweiz AG | Berna | 3007 | Bern | www.implenia.com |
