Quest Products, LLC
Doing business as Quest 191 LLC
At a glance
Employees20-99
In business sinceNot reported
HeadquartersPleasant Prairie, WI
US patents10
SAM.gov UEIXDQVMA1AHF27
CAGE code9DCS7
Incorporated inDE
LEI549300U6CT2MZE2QXM81
What they make
Dilator, NasalMeter, Peak Flow, SpirometryOral Wound DressingPack, Hot Or Cold, ReusableUnit, Cryosurgical, Accessories
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
10 US patents granted 2019–2025, 6 of them in the five years to SEP 2025, including 2 design patents.
Medical technology 5Pharmaceuticals 3
- Orally adhering lozenges containing soluble dietary fiberUS 12,233,158 · granted FEB 25, 2025
- Ear cleaning deviceUS 12,186,155 · granted JAN 7, 2025
- Ear cleanerUS 11,890,167 · granted FEB 6, 2024
- Bilayer adhering lozenge effective to mask undesirable flavorUS 11,612,564 · granted MAR 28, 2023
- Ear cleanerUS D952849 · granted MAY 24, 2022
Newest 5 shown · Granted to Quest Products, LLC · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
4 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Quest Products, LLC Phoenix | Phoenix | AZ | 1–19 | LIKELY ACTIVE |
| Quest Products, LLC Albany | Albany | OR | 20–99 | LIKELY ACTIVE |
| Quest Products, LLC Kent | Kent | WA | 1–19 | LIKELY ACTIVE |
| Quest Products, LLC | Pleasant Prairie | 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.