By May 12, 2005, the following companies have confirmed their participation in International Jewellers Symposium:

• Symposium in Santa Fe (USA)
• Technological Forum in Vicenza (Italy)
• Jewellers Guild of Russia (Moscow)
• RESTEK Exhibition Company (St.-Petersburg)
• Russian Jeweller Magazine (St.-Petersburg)
• Yuvelinet (Moscow)
• Regional Television (St.-Petersburg)
• Petersburg TV (St.-Petersburg)
• Jewellery Business Magazine (Ukraine)
• Jewellery World Magazine (Moscow)
• PLATINUM Magazine (Yekaterinburg)
• Ekonomika i vremya, newspaper (St.-Petersburg)
• Dedal Press (Omsk)
• Russian Jewellery Network (Moscow)
• Jewellery Technology Institute (Italy)
• Jewellery CAD/CAM Limited (China)
• JETT Research (USA)
• NEUTEC USA (USA)
• Pomellato (Italy)
• Pro Gold (Italy)
• Pro Gold (Ukraine)
• Schultheiss GmbH (Germany)
• Solidscape (Moscow)
• University Politecnico di Torino (Italy)
• Akimov Company (St.-Petersburg)
• Belotserkovskiy Jewellery Plant (Ukraine)
• VMT-Petersburg (St.-Petersburg)
• Ghans Christian Yensen (Moscow)
• Gringor (St.-Petersburg)
• G.A. Novoselov(Yekaterinburg)
• V.A. Polyakov (Saratov)
• Moscow State Technical University (Moscow)
• Kiev Jewellery Plant (Ukraine)
• Kostroma Jewellery Plant (Kostroma)
• SRS (England)
• Lasso (Moscow)
• Yuvelirprom (Moscow)
• Moscow Plant of Special Alloys (Moscow)
• Russkie Samotsvety
• St.-Petersburg Mint (St.-Petersburg)
• ST-Diamond (Ukraine)
• Tekhnik-INBIZHU (Moscow)
• YUMO (St.-Petersburg)
• Jewellery Art School (St.-Petersburg)