Base Natural Stone & Landscape Supply Experts provide high-quality natural stone and landscape products to landscape contractors, designers, and architects. PRODUCTS: Square Cut Flagstones • RandomJumbo Slabs • Coping, Banding, and Step Treads • Dimensional Natural Stone Steps• Random Garden Steps • Wall Stone • Waterfall Rock • Black Granite CobbleStone • Armour Stone • Aggregates Sand and Gravel • Masonal Natural Stoneveneers • • River RockIt would make you happy to know that 90% of our products are from local Ontario Quarries.