Signals Recent events at this company, such as a leadership change, funding or a new office.
Promoted to Vice President, Information Technology in Maryland · 8 Oct 2026
St. John Properties, Inc. invested into assets: county office building in the amount of $6.2M in Baltimore, Maryland, United States, Northern America, Americas on Sep 17th '26. · 17 Sep 2026
A breakdown of the 3.5K+ companies running Comcast.
Top industries
Professional and business services469
Information technology and services463
Media and telecommunications325
Art, sports and recreation248
Education and training247
Not for profit236
Health and wellness212
Construction and building204
No industry recorded: 365
Company size
1–10361 (14%)
11–50508 (20%)
51–250710 (28%)
251–500311 (12%)
501–1,000147 (6%)
1,001–5,000255 (10%)
5,001–10,00073 (3%)
10,001+135 (5%)
Share of companies with a recorded size, by employees.
No size recorded: 1K+
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Frequently asked questions
About the Comcast data on this page.
How many companies use Comcast?
Firmable holds confirmed Comcast detections for 3,580 distinct companies, 1,237 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Comcast?
St. John Properties, Inc., Focus Features and City of Redwood City are among the most prominent in the current set.
What industries use Comcast?
Professional and business services, information technology and services and media and telecommunications lead the set, across 19 industries in total.
What size companies use Comcast?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Comcast users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
1,237 companies were confirmed in the last 90 days. Last detection 20 September 2026.
