Superior Washer & Gasket CORP
At a glance
Employees20-99
In business since1972
HeadquartersRock Hill, SC
SAM.gov UEIHBB7DD2GD235
Superior Washer and Gasket Corp. manufactures washers, shims, gaskets, and spacers in various shapes and materials including stainless steel, aluminum, brass, copper, nylon, and plastics such as PTFE and polypropylene. The company produces military-specification washers to standards including AN and MS designations, as well as standard and odd-shaped flat washers, spring washers, and shims.
Summarized from the company’s own website
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Superior Washer & Gasket CORP | Rock Hill | SC | 20–99 | 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.


