Private company
Diana Motors Company
Defunct American motor vehicle manufacturer
The Diana Motors Company was an early United States automobile manufacturing company. The company produced automobiles from 1925 to 1928. The St. Louis based company was a subsidiary of the Moon Motor Car company.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
See how the biggest companies compare on our leaderboards

The Diana Motors Company was an early United States automobile manufacturing company. The company produced automobiles from 1925 to 1928. The St. Louis based company was a subsidiary of the Moon Motor Car company. The company did not source its own components, rather, it produced "assembled" cars out of third party components. As of 2011, there were 12 known remaining vehicles produced by the company.2
Timeline
- 1925Founded Founded1
Links
- WikipediaDiana Motors Company
- More imagesWikimedia Commons
- WikidataQ1208861
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataDiana Motors Company on Wikidata
- 2WikipediaDiana Motors Company on Wikipedia
- 3Wikimedia CommonsDiana Motors Company photo by Diana Motors Company, Public domain