Private company

Defined Technologies

Defined Technologies is a telecommunications company based in Reston.1 It is part of Comcast Business.1

Last updated Oct 20, 2026.

Overview

  • Industrytelecommunications industry1
  • HeadquartersReston, United States1
  • Websitewww.deftech.com

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Corporate structure

Defined Technologies is part of a group headed by Comcast Business. 3 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1