Hi-Grade, a contract manufacturer, specializes in complicated weldments, custom sheet metal fabrications, CNC machining, and ... assembly. For over 40 years Hi-Grade has been manufacturing highly custom, difficult and complex parts; if you are unable to source a part or having difficulty with your current supplier…..Let Hi-Grade be your solution. From prototype to production, our team of experts can partner with your design teams to produce results. Hi-Grade is a highly flexible world class demand based company that is committed to its employees, the environment and quality all while maintaining a competitive solution for our customers. Whether it’s a single weldment, a dozen sheet metal fabrications, a hundred precision machined pieces to a complex assembly…in every instance, Hi-Grade delivers. read more