For over fifty years, Wilder Machinery Company has been a name associated with durability, versatility and quality. All Wilder Power Slitters are manufactured and assembled in our Salinas, California (USA) facility. Manufactured from steel plates and C.N.C. machined components, all our models are built to meet today’s complex production demands required from HVAC contractors, roofers and sign makers. Designed with the flexibility to slit a broad range of products ranging from steel, stainless, copper, brass, aluminum, and truss plates, see for yourself why thousands have made Wilder the slitter of choice.