Yankee Hill Machine Co., INC.
At a glance
Employees20-99
In business sinceNot reported
HeadquartersEasthampton, MA
US patents1
SAM.gov UEIDTGEX7VD6BJ6
CAGE code3D540
Incorporated inMA
- 10mm
- firearms
- rifle suppressors
- pistol suppressors
- carbines
- barrels
- receivers
- rifles
- handguns
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
1 US patent granted MAY 10, 2011.
Other special machines 1
- Firearm pin componentUS 7,937,876 · granted MAY 10, 2011
Granted to Yankee Hill Machine Co., Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Yankee Hill Machine Co., INC. | Easthampton | MA | 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.


