Guill Tool & Engineering CO INC
At a glance
Employees20-99
In business sinceNot reported
Industry
HeadquartersWest Warwick, RI
SAM.gov UEINVPEBL51CSF8
CAGE code29030
Incorporated inRI
Guill Defense performs precision CNC machining of defense components including flanges, valves, fittings, and various critical components for the defense and commercial industries. The company holds AS9100D and ISO 9001:2015 certifications and adheres to military standards and specifications. The company manufactures products in the USA and operates a Nuclear Plant Material Special Emphasis Program (Level 1/Subsafe).
Summarized from the company’s own website
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Guill Tool & Engineering CO INC | West Warwick | RI | 20–99 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


