Holt Tool and Machine is a 77 year old contract manufacturer for the most respected companies in the defense, aerospace and manufacturing industries. We are recognized for our ability to machine, weld and fabricate the most challenging and difficult parts to our customer’s specifications. In addition to our CNC machining, our welding department does TIG and MIG to AWS, all customer approved and audited. We weld aluminum, steel, stainless steel and stellite hard facing.