| Firma | Kanton | PLZ | Ort | Webseite | |
|---|---|---|---|---|---|
| GDclimat SA | Wallis | 1951 | Sion | www.gdclimat.ch | |
| TECSA | Wallis | 1964 | Conthey | www.tecsa.ch | |
| KotorriTech SA | Wallis | 1964 | Conthey | www.kotorritech.ch | |
| Esprit Energie Sarl | Wallis | 1966 | Saxonne Ayent | www.energie-renouvelable.ch | |
| Atelier d'architecture Serge Aymon Sàrl | Wallis | 1966 | Ayent | www.aymon-serge.ch | |
| David Vergères Sàrl | Wallis | 1976 | Erde | ||
| Technica Architecture | Wallis | 1997 | Haute-Nendaz | www.mamaisonbois.ch | |
| PPLUS Sàrl | Neuenburg | 2000 | Neuchâtel | https:www.pplus.ch |
|
| Tecnoservice Engineering SA | Neuenburg | 2000 | Neuchâtel | www.tecnoservice.ch | |
| Grolimund + Partenaires SA | Neuenburg | 2000 | Neuchâtel | ||
| EQUANS Techniques SA Neuchâtel | Neuenburg | 2001 | Neuchâtel | www.equans.ch | |
| Bauart Architectes et Urbanistes SA | Neuenburg | 2002 | Neuchâtel | www.bauart.ch | |
| GVM Assainissements Sàrl | Neuenburg | 2022 | Bevaix | www.gvmassainissements.ch | |
| Gaille Construction SA | Neuenburg | 2027 | Fresens | www.gaille.ch | |
| Eco&Logic Sàrl | Neuenburg | 2034 | Peseux | www.cotelli.ch | |
| Masai Conseils SA | Neuenburg | 2053 | Cernier | www.masai-conseils.com | |
| Juvet Consulting Group | Neuenburg | 2054 | Chézard-St.-Martin | www.juvet-consulting.ch/ | |
| Lienher SA Fabrique de fenêtres | Neuenburg | 2065 | Savagnier | www.lienher.ch | |
| DPC Diot Process Control SA | Neuenburg | 2075 | Thielle | www.dpcsa.ch |
|
| MC3 EFFICIENT BUILDING Srl | 21100 | Varese |
