Fqs LLC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersGlen Ellyn, IL
SAM.gov UEIKMWGRFZJL572
CAGE code40161
Incorporated inIL
- fuel biocides
- additives
- fuel analysis
- filtration
- injection units
- chemical technology
- crude oil
- finished fuel markets
- military
- gas fields
- aviation
- rail
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Fqs LLC | Glen Ellyn | IL | — | 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.