- FINCANTIERI – Cantieri Navali Italiani S.p.A. – Monfalcone – Marghera – Ancona – Sestri – Castellamare (passengerships, tankers, gas tankers, ferries)
- Nuovi Cantieri Apuania S.p.A. – La Spezia – (ferries, gas tankers, chemicaltankers)
- N.F. – Cantiere Navale Ferrari S.p.A. – La Spezia – (Ferries, chemicaltankers, tugboats)
- N.M.A. – La Spezia – (chemicaltankers)
- Cantieri Navali U. Codecasa – Viareggio – (yachts)
- Perini Navi – Viareggio – (yachts)
- Cantieri Luigi Orlando – Livorno – (tankers, gas tankers)
- AZIMUT S.p.A. Cantieri Benetti – Viareggio – (yachts)
- EUROPLAN Engineering LTD – Turku – Finland – (passenger ships for Kvaerner Masa Yards)
- AVCO Marine S.a.s. – St. Nazaire – France (n° 12 A.C.Room for Queen Mary 2)
- IMTECH Deutschland Gmbh – (A.C.Room for Hull 6155 Marghera)
- IMTECH Deutschland Gmbh – (A.C.Room for Hull 6239 Castellammare Na)
- Nobiskrug – (Check of HVAC system for WhitePearl)
- H&H – (Check of HVAC system and acs drawing for Yacht)
- Aerius Hamburg/Germany
- Brodosplit Croazia
