Blue Ridge Optics Competitors and Similar CompaniesClear all

Sigma Koki's competitors and similar companies include Bristol Instruments and Alluxa.

	Sigma Koki Sigma Koki (シグマ光機株式会社) is a company that manufactures testing and measuring equipment.	Bristol Instruments Bristol Instruments is a company that designs, manufactures, and markets precision test instrumentation.	Alluxa Alluxa (formerly known as Sirrus Technology) is a company that manufactures optical filters and thin-film coatings.
Founding Date	Founding Date 1977	Founding Date 2005	Founding Date 2007
Type	Type Public	Type Private	Type Subsidiary
Tags	Tags Manufacturing & Industrial electronics lasers manufacturing equipment optics	Tags Manufacturing & Industrial electronics optics	Tags Manufacturing & Industrial coatings optics
Locations	Locations Hidaka, JP HQ Shanghai, CN Les Ulis, FR Fukuoka, JP Hakusan, JP Osaka, JP Shika, JP see more	Locations Victor, US HQ	Locations Santa Rosa, US HQ Mountain View, US
Employees	Employees 5443% increase	Employees 23	Employees 64
Operating ⚠
Applications	Applications N/A	Applications 3 (May, 2024)	Applications 2 (May, 2024)
Product Categories	Product Categories 14 (Sep, 2023)	Product Categories 4 (May, 2024)	Product Categories N/A

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Victor, US

Employees

Bristol Instruments is a company that designs, manufactures, and markets precision test instrumentation.

Santa Rosa, US

Alluxa (formerly known as Sirrus Technology) is a company that manufactures optical filters and thin-film coatings.

Operating ⚠