The "Istituto Grandi Marchi" includes 18 of Italy's Top wine making producers which have joined together collectively on marketing activities to improve both the image of Italian wine and the member wineries:

Alois Lageder, Ambrogio e Giovanni Folonari Tenute, Antinori, Argiolas, Col d’Orcia, Ca' del Bosco, Carpenè Malvolti, Donnafugata, Jermann, Lungarotti, Masi, Mastroberardino, Michele Chiarlo, Pio Cesare, Rivera, Tasca d'Almerita, Tenuta San Guido, Umani Ronchi.