Plumb Pharmaceuticals, INC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersMadison, WI
US patents1
SAM.gov UEIHB4LN3AQR226
CAGE code6BVJ1
Incorporated inDE
- opioid abuse disorder
- loading base
- Extended Release Drug Delivery
- Extended Duration Drug Delivery
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit Organization
Self-certified by the company in its SAM.gov registration
Patents
1 US patent granted AUG 13, 2024.
Pharmaceuticals 1
- Liposome loadingUS 12,059,499 · granted AUG 13, 2024
Granted to Plumb Pharmaceuticals, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Plumb Pharmaceuticals, INC | Madison | 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.


