Superior Welding and Manufacturing Superior Welding and Manufacturing, production welding, custom fabrication, custom equipment, material handling carts, tip carts, shelf carts, teeter carts, lumber carts, steel carts, high-capacity, wheeled carts, rack carts, ergonomic design, Menominee County, Hermansville, Upper Michigan, Upper Peninsula, northern Michigan Superior Welding is a diversified company specializing in the design and fabrication of steel fabricated products. Our welders have AWS D1.1 and D1.6 certifications. We are also qualified for A387 Gr.22 welding.