Door Engineering and Manufacturing, LLC
Doing business as Door Engineering and Manufacturing LLC
At a glance
EmployeesNot reported
In business since1966
HeadquartersMankato, MN
US patents1
SAM.gov UEIMLKJYNB6EGJ8
CAGE code8V219
Incorporated inDE
- industrial door systems
- aircraft hangar door systems
- doors
- tested solutions engineered
- customizable solutions support
- new construction
- retrofit projects
- fire station emergency response
- aviation
Named on the company’s own website, read JUL 29, 2026
What they make
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
1 US patent granted APR 18, 2017.
Civil engineering 1
- Door operating systemUS 9,624,710 · granted APR 18, 2017
Granted to Door Engineering and Manufacturing, LLC · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Door Engineering and Manufacturing, LLC | Mankato | MN | — | 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.