Company History/Profile

Since 1962, Guill Tool & Engineering has been supplying quality machined components and assemblies to the Navy, the Defense Industry and Commercial Industry. The Guill team is committed to producing quality manufacturing solutions for the defense industry. Customer satisfaction and customer success is our most important concern as products proceed through manufacturing, testing and inspection.

With more than 44 years of experience, Guill is recognized as a technology leader in machining components for the navy, defense and commercial industries. Our extensive network of approved suppliers enables Guill to provide turn-key assemblies and manufacturing projects.

Guill has carried ISO 9001 Standard Certification since 1995. The ISO 9001-2000 Standard guides the work processes at every level. Our quality system conforms to Mil-I-45208A and MIL-STD-45662. Our company is dedicated to a Continuous Quality Improvement Process. Guill Tool is a preferred supplier to Electric Boat Corp., Northrop Grumman Newport News Corp. and participates in their Supplier Delegated Inspection Program.

Guill Tool & Engineering supplies Subsafe/Level 1, Nuclear Level and Non-level fittings, valves, components and assemblies for the Naval Submarine Industry.

Utilizing the latest 3D CAD/MCAD connected with FEA and Computational Fluid Dynamics (CDF) Systems, Guill’s commercial engineering team is available for subcontract engineering projects.