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 manages shift leads, provides leadership and training to team members, and ensures shifts are adequately staffed and equipped to complete daily workloads efficiently.