According to organizers, there was a significant presence of international buyers at the exhibition, fulfilling their expectations and confirming the wide promotion work carried out abroad in collaboration with the FDP. In total, international buyers came from 62 countries on five continents, making up 12% of all the visitors to Piedra 2004.
The growing international stature of the fair was also confirmed by the strong attendance of foreign companies exhibiting at this edition. A total of 230 exhibitors hailed from South Africa, Germany, Austria, Brazil, China, Korea, Egypt, Slovenia, the U.S., France, Greece, India, Iran, Israel, Italy, Mauritania, Mexico, the Netherlands, Pakistan, Peru, Poland, Portugal, the United Kingdom, Russia, San Marino, Singapore, Switzerland and Turkey.