Milwaukee Valve Company, LLC
At a glance
Employees100-499
In business sinceNot reported
Industry
HeadquartersPrairie Du Sac, WI
US patents11
SAM.gov UEICE3HF8PLAFD3
CAGE code3J605
Incorporated inWI
Parent companyNibco INC.
LEI549300GDXKENGW73JP37
- opportunities
- New Berlin
- gate valves
- thermal insulated handles
- shipbuilders
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
Certifications
ISO 9001
Patents
11 US patents granted 1976–1996, none of them in the five years to SEP 2025.
Mechanical elements 9Machine tools 1Handling 1
- Tamper-proof handle extension for quarter turn valvesUS 5,579,804 · granted DEC 3, 1996
- Stem extension for quarter-turn valvesUS 5,482,251 · granted JAN 9, 1996
- Handle locking mechanism for quarter turn valvesUS 5,183,073 · granted FEB 2, 1993
- Tamper-proof locking mechanism for quarter turn valvesUS 5,014,528 · granted MAY 14, 1991
- Tamper-proof valveUS 4,526,194 · granted JUL 2, 1985
Newest 5 shown · Granted to Milwaukee Valve Company, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
3 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Milwaukee Valve CO INC | Milwaukee | WI | — | UNVERIFIED |
| Milwaukee Valve Co, INC | New Berlin | WI | 20–99 | ACTIVE |
| Milwaukee Valve Company, LLC | Prairie Du Sac | WI | — | 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.


