| Firma | Kanton | PLZ | Ort | |
|---|---|---|---|---|
| Tech AG | Bern | 3360 | Herzogenbuchsee | www.tech-ag.ch |
| GLB Generalunternehmung | Bern | 3550 | Langnau | www.glb.ch |
| Frutiger AG | Bern | 3602 | Thun | www.frutiger.com/ |
| Sopro Bauchemie GmbH | Bern | 3608 | Thun | www.sopro.com |
| Sanitas Troesch AG | Bern | 3645 | Gwatt (Thun) | www.sanitastroesch.ch |
| Baufritz AG | Bern | 3661 | Uetendorf | www.baufritz.ch |
| Siegenia-Aubi AG | Bern | 3661 | Uetendorf | www.siegenia.com/ch |
| Baufritz AG | Bern | 3661 | Uetendorf | www.baufritz.ch |
| Storama AG | Bern | 3664 | Burgistein | www.storama.ch |
| Dietrich Isol AG | Bern | 3700 | Spiez | www.dietrich-isol.ch |
| Wenger Fenster AG | Bern | 3752 | Wimmis | www.wenger-fenster.ch |
| HARTL HAUS Holzindustrie GmbH | 3903 | Echsenbach | www.hartlhaus.at | |
| Gartenmann Engineering AG | Wallis | 3930 | Visp | www.gae.ch |
| JACKON Insulation GmbH | 39619 | Arendsee | www.jackon-insulation.com | |
| Multiplikator AG | Basel-Stadt | 4001 | Basel | www.multiplikator.ch |
| Basler Kantonalbank | Basel-Stadt | 4002 | Basel | www.bkb.ch |
| Coop Genossenschaft | Basel-Stadt | 4002 | Basel | www.coop.ch |
| IWB Industrielle Werke Basel | Basel-Stadt | 4002 | Basel | www.iwb.ch |
| Sanitas Troesch AG | Basel-Stadt | 4002 | Basel | www.sanitastroesch.ch |
