Machining High Quality Parts Across Industries--Valves

Guill Tool (West Warwick, RI) offers high-quality, precision machined components for the defense and commercial aircraft industries. We manufacture check valves, directing valves, flow limiting valves, grease valves, vent and drain valves and many other types of valves as well as valve components according to precise military standards. As a government supplier of critical defense components since 1962, the company’s on-site machining staff adheres to strict military standards such as: Level 1/SUBSAFE, MIL-I-45208A and MIL-STD-45662. Primary codes are NAICS 332912, NAICS 332919, SIC 3492, SIC 3494 and FSCs 4730, 4810 and 4820. Guill is AS9100 and ISO9001 registered.