Sign in

Private company

Trumbull Steel

American steel company, 1912 to 1935

Trumbull Steel was an American finished steel and tinplate manufacturer based in Warren, Ohio, in the United States. Founded in 1912, it opened its first steel plant on July 23, 1913.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

See how the biggest companies compare on our leaderboards

Trumbull Steel was an American finished steel and tinplate manufacturer based in Warren, Ohio, in the United States. Founded in 1912, it opened its first steel plant on July 23, 1913.2

Sources

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

  1. 1
  2. 2