Private company
National Radio Institute
Private college in the United States
The National Radio Institute-McGraw Hill Continuing Education Center was a private, postsecondary, for-profit correspondence school based in Washington, D.C., from 1914 to 2002. The school originally trained students to become radio operators and technicians.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 20, 2026.
Overview
- HeadquartersWashington, D.C.1
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The National Radio Institute-McGraw Hill Continuing Education Center was a private, postsecondary, for-profit correspondence school based in Washington, D.C., from 1914 to 2002. The school originally trained students to become radio operators and technicians.2
Corporate structure
National Radio Institute sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
- National Radio Institute Washington, D.C.
- Conar Instruments Subsidiary ยท Washington, D.C.
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.
What it owns
What National Radio Institute reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.
Stakes and holdings (Wikidata)
Things Wikidata records the company as owning, with the share when stated.1
Subsidiaries and ownership
Subsidiaries
From Wikidata.1
Timeline
- 1914Founded Founded1
Links
- WikipediaNational Radio Institute
- More imagesWikimedia Commons
- WikidataQ16955244
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2
- 3