H L Clausing INC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersSkokie, IL
SAM.gov UEIC1G7P7R3XM77
CAGE code96448
Incorporated inIL
Since 1927, H. L. Clausing Inc. has been producing mirrors and optical coatings using evaporated metal coating processes. The company serves research institutions, universities, military organizations, and industrial customers with coatings for optical applications.
Summarized from the company’s own website
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.


