![]() Henan Costar Group Henan Costar Group (also known as Henan Zhongguang Group, 河南中光学集团有限公司) is a photonics company. | ![]() Sydor Optics Sydor Optics is a manufacturer of high-precision flat optical components for industries such as defense, aerospace, semiconductor, and medical. | ![]() THEON International THEON International is a company that develops and manufactures night vision thermal imaging systems for military and security applications. | ![]() QED Technologies QED Technologies International is a company that develops magnetorheological finishing (MRF) and stitching interferometry (SSI) metrology manufacturing solutions. | ![]() Precision Electronic Glass Precision Electronic Glass is a company that delivers glass and quartz products and services. | |
Founding Date | Founding Date 1968 | Founding Date 1964 | Founding Date 1997 | Founding Date 1996 | Founding Date 1962 |
Type | Type Subsidiary | Type Private | Type Public | Type Private | Type Private |
Tags | |||||
Locations | Locations Nanyang, CN HQ | Locations Rochester, US HQ | Locations Nicosia, CY HQ Kempen, DE Koropi, GR Singapore, SG Abu Dhabi, AE Dubai, AE Arlington, US | Locations Rochester, US HQ Delft, NL | Locations Vineland, US HQ |
Employees | Employees 3,649 | Employees 542% increase | Employees 67580% increase | Employees 12810% increase | Employees 14 |
Financial | |||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) €352.4m (FY, 2024) | Revenue (est.) $35.1m (FY, 2021) | Revenue (est.) N/A |
Operating ⚠ | |||||
Certifications | Certifications N/A | Certifications 7 (Oct, 2022) | Certifications N/A | Certifications N/A | Certifications 1 (Dec, 2021) |
Product Categories | Product Categories N/A | Product Categories 9 (Oct, 2022) | Product Categories 2 (Aug, 2023) | Product Categories N/A | Product Categories N/A |

Sydor Optics is a manufacturer of high-precision flat optical components for industries such as defense, aerospace, semiconductor, and medical.
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THEON International is a company that develops and manufactures night vision thermal imaging systems for military and security applications.
View company
QED Technologies International is a company that develops magnetorheological finishing (MRF) and stitching interferometry (SSI) metrology manufacturing solutions.
View company
Precision Electronic Glass is a company that delivers glass and quartz products and services.
View company