Granite importers or wholesale warehouses will only sell product to Fabrication shops or resellers. The reason for this is they want to make sure the people they are selling to are capable of handling the material and retain the economies of scale in pricing. Granite is not like going to pick up a few 2×4’s it is extremely heavy and easily cracked or broken if not handled properly. The liability is passed onto the fabrication shop if they were to break a slab or injure someone trying to move the material. Installing granite on a bath vanity or kitchen cabinets is not a do it yourself product.