National Machine Company
Doing business as Nmg Aerospace
At a glance
Employees100-499
In business sinceNot reported
Industry
HeadquartersStow, OH
US patents91
SAM.gov UEIP8ZJE38JWBC9
CAGE code6L817
Incorporated inOH
LEI549300EDEM1J5F1TON32
- components
- assemblies
- pneumatic systems
- safety systems
- fluid systems
- seating systems
- UAV systems
- fabrication
- precision machining
- welding
- qualification testing
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
91 US patents granted 1976–2024, 8 of them in the five years to SEP 2025, including 2 design patents.
Machine tools 73Electrical machinery, apparatus, energy 5Thermal processes and apparatus 4Mechanical elements 4Environmental technology 1
- Combined water heater and thermostatic controlUS 12,038,205 · granted JUL 16, 2024
- Hot water tank and flow through heating assemblyUS 11,892,198 · granted FEB 6, 2024
- Hot water tank with thermal mixing valveUS 11,747,047 · granted SEP 5, 2023
- Scale reduction cartridge systemUS 11,708,285 · granted JUL 25, 2023
- Long cartridge caseUS 11,333,473 · granted MAY 17, 2022
Newest 5 shown · Granted to National Machine Company · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| National Machine Company | Stow | OH | 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.