![]() Research Electro-Optics Research Electro-Optics (REO) is a company that manufactures high precision optical components, optical thin film coatings, and optical subassemblies. | ![]() Materion Precision Optics and Thin Film Coatings Materion Precision Optics and Thin Film Coatings is a company that manufactures precision thin film coatings, optical filters, and optomechanical systems. | ![]() HGH USA HGH USA (also known as Electro Optical Industries) is a company that specializes in infrared technologies and electro-optical test equipment. | ![]() Guild Optical Associates Guild Optical Associates is a company that specializes in the precision fabrication of custom optical components. | ![]() Princeton Scientific Princeton Scientific is a company that supplies material science and engineering-related products to scientists, engineers, and industrial manufacturers. | |
Founding Date | Founding Date 1993 | Founding Date 1971 | Founding Date 1964 | Founding Date 1990 | Founding Date 1991 |
Type | Type Subsidiary | Type Subsidiary | Type Subsidiary | Type Private | Type Private |
Tags | |||||
Locations | Locations Boulder, US HQ | Locations Westford, US HQ Mayfield Heights, US | Locations Richardson, US HQ | Locations Amherst, US HQ | Locations Bethlehem, US HQ |
Employees | Employees 713% decrease | Employees 293 | Employees 23 | Employees 2 | Employees 4100% increase |

Materion Precision Optics and Thin Film Coatings is a company that manufactures precision thin film coatings, optical filters, and optomechanical systems.
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HGH USA (also known as Electro Optical Industries) is a company that specializes in infrared technologies and electro-optical test equipment.
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Guild Optical Associates is a company that specializes in the precision fabrication of custom optical components.
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Princeton Scientific is a company that supplies material science and engineering-related products to scientists, engineers, and industrial manufacturers.
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