John DiDonato, who already had 20 years of experience as an installer in the marble and granite trade, started Marble Concepts LLC in 1991. Marble Concepts LLC is dedicated to customer satisfaction. There isnāt anything we canāt make out of natural stone. Each of our employees all share pride and a dedication to craftsmanship. From our employees, we take our motto: āSet your ideas in stoneā. marble-concepts.com