Koch Crystal Finishing INC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersElyria, OH
SAM.gov UEIR28LWCDZ1HM3
Koch Crystal Finishing specializes in grinding and polishing infrared optical materials including NaCl, KCl, KBr, CaF2, CsI, KRS-5, BaF2, and ZnSe, using anhydrous polishing agents to prevent degradation of hygroscopic crystals. The company produces IR windows and CO2 laser windows, and offers custom optics, repolishing services, and custom far-IR work. It serves industries requiring precision infrared optics and spectroscopy windows.
Summarized from the company’s own website
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Koch Crystal Finishing INC | Elyria | OH | — | LIKELY 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.


