Marlin Steel is a U.S. manufacturer of custom-engineered products made from steel wire and sheet metal. Established in 1968, the company has grown from its Baltimore beginnings to operate manufacturing facilities in Maryland, Indiana, Michigan, and Illinois. It serves customers across industries including medical and pharmaceutical, data center, telecommunications, automotive, aerospace, food processing, and material handling.

Its products include custom and in-stock wire baskets, mesh containers, parts-washing and heat-treat baskets, trays, carts, racks, wire forms, hooks, brackets, and custom sheet metal components. Marlin Steel also makes products such as cable trays, data center panels, medical IV poles, and food-grade baskets. Available materials include stainless and plain steel, as well as Inconel; some products can be electropolished to support sanitation needs.

The company provides engineering and fabrication services, including wire forming, sheet metal fabrication, robotic welding, stress analysis, and 3D printing. Customers can explore product options and request quotes for solutions tailored to their requirements. Marlin Steel emphasizes quality engineering and supports applications where durability, fit, and reliable production matter.