A breakdown of the 168 companies running Ciena 6500.
Top industries
Information technology and services62
Media and telecommunications33
Professional and business services18
Construction and building8
Financial services8
Government and public services6
Resources, energy and utilities6
Education and training4
No industry recorded: 4
Company size
1–106 (4%)
11–5014 (9%)
51–25031 (19%)
251–50024 (15%)
501–1,00013 (8%)
1,001–5,00023 (14%)
5,001–10,00018 (11%)
10,001+32 (20%)
Share of companies with a recorded size, by employees.
No size recorded: 7
One dataset. Four ways to sell.
Match the deepest technology intelligence against the most comprehensive data on companies and people – such as who is growing, raised capital or changed role – for pinpoint precision on GTM campaigns.
Competitor displacement
Find the accounts running a competitor today and go after them with the right argument.
Complementary tools
Target companies whose stack sits alongside yours and integrates without a fight.
Service partners
Identify implementers and agencies already working in the technologies you support.
Market insights
Map your total addressable market and track aggregated trends such as AI maturity.
Frequently asked questions
About the Ciena 6500 data on this page.
How many companies use Ciena 6500?
Firmable holds confirmed Ciena 6500 detections for 168 distinct companies, 29 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Ciena 6500?
Fiber Broadband Association, American Unit, Inc and Competitive Range are among the most prominent in the current set.
What industries use Ciena 6500?
Information technology and services, media and telecommunications and professional and business services lead the set, across 15 industries in total.
What size companies use Ciena 6500?
Adoption concentrates in the 10,001+ employee band, across the companies whose size is recorded.
Where are Ciena 6500 users based?
The United States, Canada, Australia and Indonesia account for most detections, across 13 countries.
How current is this data?
29 companies were confirmed in the last 90 days. Last detection 6 September 2026.
