M-1 Tool Works, INC.
At a glance
Employees20-99
In business sinceNot reported
Industry
HeadquartersMchenry, IL
SAM.gov UEIN2YGU9L5K6Y6
M-1 Tool Works is a precision machining company that produces high-quality components from prototype to production quantities using CNC milling, turning, and grinding, as well as wire EDM, sinker EDM, EDM drilling, composite tooling, fixture building, and mechanical assemblies. The company serves Aerospace and Defense, Automation, Department of Energy, Medical, Auto Racing, and Scientific Research and Development industries.
Summarized from the company’s own website
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| M-1 Tool Works, INC. | Mchenry | IL | 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.


