Profile: Certified Tool & Mfg. Corp. is a source for metal and plastic products. We perform activities from engineering concept to finished product to produce components. We are involved in the metal fabricating business. We have a full service tooling department. We specialize in molding, robotic MIG welding, resistance welding, automated machine assembly and hand assembly. We produce large & small metal stampings. We also perform many secondary operations that include tapping, machining, sonic, robotic & nut welding, semiautomatic stamping assembly, spin riveting, spot welding and swedging.