MSI's product line includes an extensive offering of Granite, Quartz, Porcelain, Luxury Vinyl flooring, Slate, Marble, Travertine, Sandstone, Limestone, Quartzite, onyx, stacked stone and pavers imported from over 36 countries on six continents. Summary: The Operations Supervisor is directly responsible for the day to day supervision of the warehouse operation, leading, managing, and assigning the work for Non-Slab operations.