Home | Welcome to OHM International OHM, ohm international, granite, marble, limestone, travertine, slate, onyx, quartzite, wholesale, wholesaler,monroe nj, charlotte nc, greensboro nc, louisville ky, madison al, antioch tn, nashville tn, new jersey, north carolina, tennesse OHM International is the nation’s leading source for natural stone and a proud distributor of: Building Inspiring Spaces. With over 600 unique colors and patterns in stock, our distribution centers display some of the world’s most rare and exotic stones. Our dedicated retail team is trained and ready to assist you.