> Argor-Heraeus (Mendrisio)
> Consortium for waters depuration of Bellinzona and surroundings (CDAB) (Giubiasco)
> CSC building company (Lugano)
> Edilservice (Minusio)
> Ennio Ferrari general building company (Lodrino)
> ESA Ticino/Engadina (Giubiasco)
> Verzasca Foundation (Lavertezzo)
> Giannini Graniti (Lodrino)
> GSC General Services and Consulting (Manno)
> Implenia general building company (Lugano)
> Ipergros (Collina d'Oro)
> Johnson Controls GWS Gmbh (Bellinzona)
> Linetronic Technologies (Mendrisio)
> Town Hall Airolo
> Town Hall Chiasso
> Town Hall Bedano
> Town Hall Mendrisio
> Town Hall Mezzovico-Vira
> Town Hall Muralto
> Town Hall Locarno
> Town Hall Bellinzona
> Town Hall Giubiasco
> Town Hall Giornico
> Town Hall Lucano
> Town Hall Sorengo
> Pianifica Development (Locarno)
> PTM (Biasca)
> Q11 (Dietikon)
> Republic and Canton of Ticino - Area of support and coordination (Bellinzona)
> Republic and Canton of Ticino - Section of Military and Civil Protection (Bellinzona)
> Republic and Canton of Ticino - Section of logistics (Bellinzona)
> Republic and Canton of Ticino - Mobility Section (Bellinzona)
> Republic and Canton of Ticino - Section of air, water and soil protection (Bellinzona)
> Simfina (Lugano)
> Architectural Office Cristiana Guerra (Bellinzona)
> Architectural Office Ferdinando Tomasoni (Gordola)
> Architectural Office Geo Pedrojetta (Bellinzona)
> Architectural Office Guscetti (Minusio)
> Architectural Office Giorgio Guscetti (Quinto)
> Architectural Office Ivan Fontana (Claro)
> Architectural Office Sangiorgio Silvano e Marco (Mendrisio)
> Architectural Office Tecnoplan (Camignolo)
> Engineering Studio Luigi Brenni (Mendrisio)
> Office Orsi & associati (Bellinzona)
> Office Silvio Tarchini (Manno)
> Federal roads office (FEDRO) - Branch 1 (Estavayer-le-Lac)
> Federal roads office (FEDRO) - Branch 3 (Zofingen)
> Federal roads office (FEDRO) - Branch 5 (Bellinzona)