Guernsey Coating Laboratories, INC.
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersVentura, CA
SAM.gov UEIHLMKTUUFFMC5
Guernsey Coating Laboratories manufactures optical thin-film coatings covering ultraviolet to near infrared wavelengths, offering both standard and custom coating designs along with research and development, custom tooling, evaluation, and testing services. The company serves the medical, aerospace, defense, optical instrumentation, inspection equipment, telecommunications, imaging, displays, lighting and scanning, laser, and semiconductor industries, as well as universities. The company is ITAR Registered.
Summarized from the company’s own website
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Guernsey Coating Laboratories, INC. | Ventura | 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.


