Alpha Grainger Mfg INC
At a glance
Employees100-499
In business sinceNot reported
HeadquartersFranklin, MA
US patents2
SAM.gov UEIVRKQCX7NWGL5
CAGE code0NGU4
Incorporated inMA
- mill turned parts
- precision screw machine products
- CNC mill turn
- CNC Swiss machining
- multi-spindle screw machining
- Secondary Department
- in-house tooling
- ITAR Registered
- ISO 9001 Certified
- AS9100 Certified
- aerospace
- automotive
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
2 US patents granted 1999–2000, none of them in the five years to SEP 2025.
Machine tools 2
- Tool holder with pivotal adjustmentUS 6,099,210 · granted AUG 8, 2000
- Tool holderUS 5,888,028 · granted MAR 30, 1999
Granted to Alpha Grainger Mfg., Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Alpha Grainger Mfg INC | Franklin | MA | 100–499 | 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.