H L Clausing INC
At a glance
EmployeesNot reported
In business since1927
HeadquartersSkokie, IL
SAM.gov UEIC1G7P7R3XM77
CAGE code96448
Incorporated inIL
- mirrors
- optical coatings
- universities
- military
- decades
- art coatings
- s applications
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| H L Clausing INC | Skokie | 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.