Private company

Summa Corporation

Umbrella company for the business interests of Howard Hughes after 1972

Summa Corporation was a holding company for the business interests of Howard Hughes after he sold the tool division of Hughes Tool Company in 1972. Its holdings included casino hotels, aviation businesses, and television channels.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1972Founded1

Summa Corporation was a holding company for the business interests of Howard Hughes after he sold the tool division of Hughes Tool Company in 1972. Its holdings included casino hotels, aviation businesses, and television channels.2

The story

Founded by Howard Hughes in 1972.1

Leadership

Who has led Summa Corporation, and when. Pick a name to see everywhere that person has worked.

Subsidiaries and ownership

Owners

From Wikidata.1

Timeline

  1. 1996Acquired Acquired by The Rouse Company1
  2. 1972Founded Founded1

Sources

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

  1. 1
  2. 2