Since 1962, Guill Tool & Engineering has manufactured high quality, precision machined components for the defense and commercial Industries. We take our heritage seriously and that experience is of great value to our customers. We have a highly skilled team of machinists and engineers available to help you meet your machining and fabricating demands.We have manufactured flanges, valves, fittings, and various critical components for the defense and commercial industries for over half a centaury. Guill is AS9100 and ISO9001 registered. The company is also a major supplier of high-precision medical components, as well as the global leader in complex extrusion tooling for the plastics and rubber industries.