Keystone Precision & Engineering, LLC
At a glance
EmployeesNot reported
In business sinceNot reported
Industry
HeadquartersPepperell, MA
SAM.gov UEIHFBKZXKLCWS7
Brands
Prince-aerospaceThis company sells these brands.
Prince manufactures precision machined and fabricated parts using processes including milling, turning, Swiss machining, mill/turn, precision grinding and honing, CNC EDM, sheet metal laser cutting, forming, welding, and powder coat painting, with assembly and testing capabilities. The company serves the aerospace, medical, and industrial industries. Prince holds AS9100 and ISO 13485 certifications.
Summarized from the company’s own website
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Keystone Precision & Engineering, LLC | Pepperell | MA | — | 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.


