Kidder Machine Tool, formerly known as Kidder Metalworking, is a leading manufacturer of sheet metal machines based in Tennessee, USA. Established in 1902, Kidder specializes in producing notching machines, combination presses, universal presses, and brakes for various metalworking operations such as notching, punching, bending, and shearing. They offer manual and hydraulic configurations for their machines and provide tooling, blades, and attachments for both their products and competitors' machines. Kidder Metalworking also offers tool and die services, fabrication capabilities for stainless and mild steel, full machine shop services, and heat treat capabilities on-site.