Johnson Machine Works, INC.
Doing business as Johnson Machine Works INC
At a glance
Employees20-99
In business since1946
HeadquartersChariton, IA
US patents2
SAM.gov UEIKYNJXWGN86P4
CAGE code3K009
Incorporated inIA
Brands
Steel Fabrication
Lucas Oil StadiumThis company sells these brands.
- steel
- completes
- gates
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
2 US patents granted 1998–2006, none of them in the five years to SEP 2025.
Chemical engineering 1Civil engineering 1
- Method and apparatus for an improved lock and dam assemblyUS 7,037,039 · granted MAY 2, 2006
- Screw conveyor screening apparatus for removing solids from wastewaterUS 5,770,094 · granted JUN 23, 1998
Granted to Johnson Machine Works, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Johnson Machine Works, INC. | Chariton | IA | 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.