Schaeffer Mfg. CO.
Doing business as Schaeffer Manufacturing CO
At a glance
EmployeesNot reported
In business since1839
HeadquartersSaint Louis, MO
SAM.gov UEIHRACWNL7R5J6
CAGE code0E3Q6
Incorporated inMO
LEI549300WMRKMNOWVMOJ44
- synthetic motor oils
- engine oils
- diesel fuel additives
- industrial lubricants
- greases
- gear lubes
- agriculture
- trucking
- construction
- metalworking fluids
- specialized industrial oils
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Their plants
3 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Schaeffer Mfg. CO. | Du Quoin | IL | — | ACTIVE |
| Schaeffer Mfg. CO. | Saint Louis | MO | — | ACTIVE |
| Schaeffer Mfg. CO. | Saint Louis | MO | — | 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.


