Certified Stainless Service, INC.
Doing business as West-mark
At a glance
EmployeesNot reported
In business sinceNot reported
Industry
HeadquartersAtwater, CA
SAM.gov UEILLY1NS29ZMR7
CAGE code880W5
Incorporated inCA
- Trailers
- transportation
- agriculture
- arctic equipment
- construction
- food
- beverage
- liquid waste
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Their plants
2 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Certified Stainless Service, INC. | Atwater | CA | — | ACTIVE |
| Certified Stainless Service INC. | Ceres | CA | — | 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.