Winsert, LLC
Doing business as Winsert
At a glance
Employees100-499
In business sinceNot reported
Industry
HeadquartersMarinette, WI
US patents3
SAM.gov UEIJ6GCJMP53433
CAGE code6Z886
Incorporated inWI
- components
- cobalt alloy investment
- machining
- inspection
- casting technologies
- metrology lab
- product development
- extrusion dies
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
3 US patents granted 1997–2010, none of them in the five years to SEP 2025.
Materials, metallurgy 3
- Acid resistant austenitic alloy for valve seat insertsUS 7,754,142 · granted JUL 13, 2010
- Nickel-iron base wear resistant alloyUS 6,200,688 · granted MAR 13, 2001
- Iron base alloys for internal combustion engine valve seat inserts, and the likeUS 5,674,449 · granted OCT 7, 1997
Granted to Winsert, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Winsert, LLC | Marinette | WI | 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.