A breakdown of the 1.1K+ companies running Nortel.
Top industries
Information technology and services324
Media and telecommunications214
Professional and business services131
Health and wellness93
Education and training59
Construction and building55
Industrial and manufacturing51
Financial services42
No industry recorded: 31
Company size
1–1084 (8%)
11–50143 (14%)
51–250219 (21%)
251–500122 (12%)
501–1,00074 (7%)
1,001–5,000177 (17%)
5,001–10,00075 (7%)
10,001+147 (14%)
Share of companies with a recorded size, by employees.
No size recorded: 136
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Frequently asked questions
About the Nortel data on this page.
How many companies use Nortel?
Firmable holds confirmed Nortel detections for 1,177 distinct companies, 206 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Nortel?
Arctic Slope Regional Corporation, VECO Ohio and DCCA are among the most prominent in the current set.
What industries use Nortel?
Information technology and services, media and telecommunications and professional and business services lead the set, across 19 industries in total.
What size companies use Nortel?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Nortel users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
206 companies were confirmed in the last 90 days. Last detection 20 September 2026.
