Machinery manufacturers in Massachusetts
Massachusetts has 426 machinery establishments employing 18,837 people (Census, 2023), and EPA's ECHO database lists 424 active machinery facilities in the state. By employment it is Massachusetts's number 5 manufacturing industry, and Massachusetts ranks number 20 among states for it.
- NAICS subsector
- 333
- Machinery Manufacturing
- Establishments
- 426
- Census 2023
- Employees
- 18,837
- Census 2023
- In EPA records
- 424
- With a page here
- 1
- Revised
- November 11, 2026
Machinery factories with a page
| Facility | What it makes (NAICS) | City |
|---|---|---|
| Ls Starrett Precision Tools | Cutting Tool and Machine Tool Accessory Manufacturing | Athol |
These are the Massachusetts machinery facilities that report to EPA's Toxics Release Inventory. The other 423 in EPA records don't have a page yet.
What these factories make
- Cutting Tool and Machine Tool Accessory Manufacturing (NAICS 333515): 1 facility
Where they cluster
Cities with the most active machinery facilities in EPA records: Worcester (14), Waltham (11), Woburn (11), Wilmington (10), Beverly (9).
Machinery manufacturing across the US. Everything made in Massachusetts.