![]() LAYERTEC LAYERTEC is a company that designs and manufactures optical components for laser applications. | ![]() Precision Optical Precision Optical (also known as Sellers Optical) is a company that manufactures optical components and assemblies, including prisms, mirrors, windows, and retroreflectors. | ![]() II-VI Aerospace & Defense II-VI Aerospace & Defense (also known as Attalon, formerly known as II-VI Optical Systems, Lightworks Optical Systems, Coherent Aerospace & Defense) is a company that designs and manufactures optical systems and components. | |
Founding Date | Founding Date 1990 | Founding Date 1959 | Founding Date 1961 |
Type | Type Subsidiary | Type Private | Type Subsidiary |
Tags | |||
Locations | Locations Mellingen, DE HQ | Locations Costa Mesa, US HQ | Locations Murrieta, US HQ Beavercreek, US Longmont, US Philadelphia, US Port Richey, US Tustin, US |
Employees | Employees 400 | Employees 57 | Employees 11623% decrease |
Operating ⚠ | |||
Certifications | Certifications N/A | Certifications 1 (May, 2024) | Certifications 1 (May, 2024) |

Precision Optical (also known as Sellers Optical) is a company that manufactures optical components and assemblies, including prisms, mirrors, windows, and retroreflectors.
View company
II-VI Aerospace & Defense (also known as Attalon, formerly known as II-VI Optical Systems, Lightworks Optical Systems, Coherent Aerospace & Defense) is a company that designs and manufactures optical systems and components.
View company