Optics companies

LARGAN Precision is an electronics company that manufactures and sells photographic and optical equipment.

Sunny Optical Technology Group (舜宇光学科技（集团）有限公司) is an optical manufacturer.

Essilor International is an ophthalmic optics company.

LightPath Technologies is a company that designs, manufactures, and distributes optics and photonics components.

Hamamatsu Photonics (浜松ホトニクス株式会社) is a company that manufactures devices for the generation and measurement of visible, infrared, and ultraviolet light.

Kopin is a company that provides application-specific optical and technology solutions.

Topcon (株式会社トプコン) is a company that develops, produces, and sells positioning, eye care, and smart infrastructure products.

RxSight (formerly known as Calhoun Vision) is an ophthalmic medical technology company that develops adjustable intraocular lenses (IOL) that are customized after cataract surgery.

American Outdoor Brands is a company that provides outdoor products and accessories, including hunting, fishing, camping, shooting, and personal security and defense tools.

Zhongji Innolight (中际旭创股份有限公司, formerly known as Shandong Zhongji Electrical Equipment) is a provider of optical transceivers solutions.

908 Devices is a company offering handheld and desktop mass spectrometry devices for chemical and biomolecular analysis.

Ofilm Group (欧菲光集团股份有限公司, formerly O-film Tech) is a manufacturer of optoelectronic products and technologies.