A breakdown of the 4.7K+ companies running Symantec.
Top industries
Information technology and services1.7K+
Professional and business services577
Financial services548
Industrial and manufacturing390
Health and wellness186
Education and training181
Media and telecommunications177
Construction and building176
No industry recorded: 137
Company size
1–10303 (7%)
11–50514 (12%)
51–250944 (21%)
251–500520 (12%)
501–1,000383 (9%)
1,001–5,000835 (19%)
5,001–10,000267 (6%)
10,001+625 (14%)
Share of companies with a recorded size, by employees.
No size recorded: 375
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Frequently asked questions
About the Symantec data on this page.
How many companies use Symantec?
Firmable holds confirmed Symantec detections for 4,766 distinct companies, 677 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Symantec?
Kittle Property Group, Novaspect Inc. and Edgewater Federal Solutions, Inc. are among the most prominent in the current set.
What industries use Symantec?
Information technology and services, professional and business services and financial services lead the set, across 19 industries in total.
What size companies use Symantec?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Symantec users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
677 companies were confirmed in the last 90 days. Last detection 13 October 2026.
