Marble & Granite Supply of Illinois (MGSI ) is a leading wholesale stone supplier, stocking a wide variety of natural stone slabs and tiles and a complementary range of porcelain and glass tile, and mosaic.
MGSI prides itself on the wide range of natural stone products, the unusual collection of unique stone, and its quality. MGSI is very proud of its reputation as the place to go for unusual stone and the wide variety of complementary products: marble tiles, granite tiles, porcelain tiles and glass mosaic and stone tiles.