Alessandro de Vita Zublena ha iniziato a lavorare con le aziende nel 1994. È solo attraverso il passaparola che l’elenco che segue ha continuato ad espandersi, grazie alla promozione spontanea esercitata dai clienti tra di loro.

Altria Corporate Services International Inc., filiale de Lausanne; Amaudruz SA, Lausanne; Assura Assurance, Pully; Banque Cantonale Vaudoise, Lausanne St-Francois, Lausanne-Chaudron, Lausanne-Gare, Lausanne-La Sallaz, Cully, Oron-La-Ville, Lutry, Cheseaux, Echallens, Prilly, Nyon, Rolle, Gland, St.Croix, Renens, Yverdon, Savigny, Bellevaux, Villeneuve, Orbe, Avenches, CAB Prilly; Banque Leu, Genève; Banque Migros, Lausanne; B.Braun Medical SA, Crissier; Baxter BioScience Manufacturing Sàrl, Neuchâtel; BMW, Crissier; Cargill International SA, Genève; CFF SA, Berne; Chaletbau Matti Architecture SA, Gstaad; Coca Cola, Crissier; Conféderation Suisse, Office fédéral du personnel OFPER, Berne; Credit Agricole Indosuez, Genève;  Credit Agricole Indosuez (Switzerland) SA, Genève; Credit Agricole Suisse SA, Genève;  Credit Agricole Finacement (Suisse) SA, Genève;  Crédit Suisse, Genève; CSD Ingenieurs, Lausanne; DuPont de Nemours International SA, Genève; Edipresse Publications SA, Lausanne; Endosense SA, Genève; Eurotravel, Italie; Etat de Vaud, Département de la sécurité et de l’environnement, Lausanne; Fondation Compétences Bénévoles, Lausanne; Ferring International Center SA, Saint-Prex, VD; GDB SA, Genève; Glaxo, Fribourg; Globaz SA, Le Noirmont; Heineken Switzerland AG, Lucerne; Hospices-CHUV, Lausanne; Hôpital du Jura, Delémont; Hôpital Fribourgeois, HFR Billens, Châtel-St-Denis, Riaz; JobCloud SA, Genève; KBA-Giori, Lausanne; KBA-NotaSys, Lausanne; La Banque centrale européenne (BCE) Frankfurt, Allemagne; La Poste Suisse, PostFinance, Lausanne; Lausanne Hockey Club (LHC), Lausanne; Lbg Hôtels Services SA, Chailly-Montreux; Lexmark, Genève; Liebher Machines SA, Bulle, Fribourg; Logitech, Morges; Merck Serono International SA, Genève; NEO technologies SA, Renens; Nestlé Premium, Vevey; Office Cantonal de l’Emploi, Genève; Office Assurance Invalidité (AI) du Canton de Fribourg, Fribourg; Odyssey Financial Technologies SA, Lausanne;  Philip Morris International Management SA, Lausanne, Philip Morris World Trade Sàrl, Lausanne, Philip Morris Product SA, Neuchâtel, Philip Morris International R&D, Neuchâtel, Philip Morris Italia Srl, Philip Morris Zagreb, Philip Morris Polska, PHILIP Philip Morris Czech Republic, Philip Morris Holland B.V., Massalin Particulares S.R.L, Philip Morris International’s affiliate in Argentina, Philip Morris Brazil; PCL, Presses centrale Lausannoise, Lausanne; Police Cantonale, Lausanne;  Police Cantonale, Neuchatel; Portes des Iris, Vullierens s/ Morges;  PubliGroupe Ltd, Lausanne; Quadra MTF, Genève; Rolex SA, Genève;  Romande Energie SA, Morges, Aigle, Nyon, Rolle, Vevey, Moudon, Montreux; Royal Bank of Canada (Suisse) SA, Genève; Serix, Palézieux-Village VD; Serono Company, Genève; Shire AG, Zürich; SICPA Management SA, Prilly; Société Coopérative Migros Genève, Genève;  Stryker Europe, Montreux; Swissgrid SA Lausanne; Tamedia Suisse SA, Lausanne;  Touring Club Suisse (TCS), Genève; Transports publics de la région lausannoise SA (TCL), Lausanne; TRB Chemical International SA, Genève; Ville de Lausanne, Lausanne; VMCV Transport Publics, Clarens; Unilever, Paris, France; Weyerhaeuser SA, Genève; WWF, Gland; Supra Assurances, Lausanne.