Ciena
Machinery · Hanover, California
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Products & Services
About Ciena
Ciena is a global leader in optical and routing systems, services, and automation software. This profile covers Ciena, a company based in Hanover, California, United States, operating in Industrial machinery, employing 8,570 people and classified under Software Publishers.
Its primary NAICS classification is 334290 (Other Communications Equipment Manufacturing). Ciena is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- (410) 694-5700
- Fax
- (410) 694-5750
- Website
- www.ciena.com
- Address
- 7035 Ridge Road, Hanover, California, 21076, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Machinery
- Segment
- Industrial machinery
NAICS Codes
- 33
- 334Computer and Electronic Product Manufacturing
- 3342Communications Equipment Manufacturing
- 33429Other Communications Equipment Manufacturing
- 334290Other Communications Equipment Manufacturing
- 51Information
- 513Publishing Industries
- 5132Software Publishers
- 51321Software Publishers
- 513210Software Publishers
- 33421Telephone Apparatus Manufacturing
- 334210Telephone Apparatus Manufacturing
- 54Professional, Scientific, and Technical Services
- 541Professional, Scientific, and Technical Services
- 5415Computer Systems Design and Related Services
- 54151Computer Systems Design and Related Services
- 541512Computer Systems Design Services
- 516Broadcasting and Content Providers
- 5162Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers
- 51621Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers
SIC Codes
- 36Electronic And Other Electrical Equipment And Components, Except Computer Equipment
- 366Communications Equipment
- 3669Other Communications Equipment Mfg.
- 73Business Services
- 737Computer Programming, Data Processing, And Other Computer Related Services
- 7373Computer Systems Design Services
- 7372Software Publishers
- 3661Telephone Apparatus Mfg.
- 7379Other Computer Related Services
Company Details
- Employees
- 8,570
Ciena: frequently asked questions
What does Ciena do?
Ciena is a global leader in optical and routing systems, services, and automation software. This profile covers Ciena, a company based in Hanover, California, United States, operating in Industrial machinery, employing 8,570 people and classified under Software Publishers.
Where is Ciena located?
Ciena is located at 7035 Ridge Road, Hanover, California, 21076, United States.
How many employees does Ciena have?
Ciena has about 8,570 employees.
What industry is Ciena in?
Ciena is in the Industrial & mechanical / Machinery industry, and its primary NAICS code is 334290 (Other Communications Equipment Manufacturing).
How can I contact Ciena?
Its website is www.ciena.com and its phone number is (410) 694-5700.
What companies are similar to Ciena?
Other large industrial & mechanical companies in California include State of California, TD SYNNEX Corp, University of California and Ingram Micro Holding Corp.
Largest industrial & mechanical companies in California
Largest companies in California
Largest industrial & mechanical companies
Manufacturing sales in California, 2026
In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.
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