We are a defense contractor committed to providing high quality precision machining services at an economical cost. We have manufactured flanges, valves, fittings, and various critical components for the defense and commercial industries for over 55 years. Guill Tool adheres to the strict criterion of ISO 9001, military standards and specifications.
We have been an AS9100 facility since 1995. ISO 9001:2015 guides our work processes at every level. We are dedicated to continuous quality improvement.
We have been an ISO 9001 facility since 1995. ISO 9001:2015 guides our work processes at every level. We are dedicated to continuous quality improvement.
Ask us about our Nuclear Plant Material Special Emphasis Program (Level 1/Subsafe).
Our products are manufactured in the USA using lean principles, and the highest quality in an ISO 9001:2015 facility.
An extensive specification library provides cross-reference between National Stock Numbers, and those of the leading nuclear submarine builders.
We excel in building and sustaining long-term relationships. Our extensive supplier chain can meet material control requirements for Level 1/SUBSAFE, Nuclear Plant Material and Oxygen Clean.
We are dedicated to helping the defense industry reduce total ownership cost.
Our 5-axis CNC Machine Center is capable of machining a 27.6” diameter at a 28.7” length while our EDM Hole Starter can drill a 0.008” hole, and our EDMS can machine to a tolerance of 0.0002”. For a full listing of our machinery please visit our Facilities page.
We have decades of experience manufacturing. All of our products are held to the most stringent quality control standards in the defense industry.
Our skilled engineers provide on-site component design and flow analysis. Guill Tool employs personnel who have been designated Supplier Delegated Inspectors by the General Dynamics Corporation, Electric Boat Division, and Northrop Grumman Shipbuilding, Newport News.
NAICS Codes:
332710 – Machine Shops
332721 –Precision Turned Products
332911 – Industrial Valves
332912 – Fluid Power Valve and Hose Fittings
332919 – Other Metal Valve and Pipe Fittings
333514 – Special Die & Tool Sets
SIC Codes:
3599 – Machine Shops
3451 – Screw Machine Products
3491 – Industrial Valves
3492 – Fluid Valves and Hose Fittings
3494 – Valves and Pipe Fittings
3544 – Special Die and Tool Sets
FSC Codes:
4730 – Hose, Pipe, Tube, Lubrication and Railings Fittings
4810 – Valves, Powered
4820 – Valves, Non-Powered
CAGE Code: 29030
DUNS Number: 00-119-8233
• Steam
• Seawater
• Pure Water
• Reactor Coolant
• Hydraulics
• Air
• Oxygen
• Nitrogen
© 2023 Guill Defense
Website design by Steers Studios. Website development by KatArt Graphics
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