Private company

Baltimore Mail Steamship

Logo: Baltimore Mail Line, Public domain, via Wikimedia Commons3

American transatlantic shipping company

Baltimore Mail Line, officially the Baltimore Mail Steamship Company, was a short-lived American transatlantic shipping company that operated primarily as a mail carrier with limited passenger service from 1930 to 1937. It provided weekly sailings between the U.S. ports of Baltimore, Maryland, and Norfolk, Virginia, and the European ports of Le Havre, France, and Hamburg, Germany, with calls sometimes including Southampton or Bremen.2 It is part of International Mercantile Marine Company.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1930Founded1

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Baltimore Mail Line, officially the Baltimore Mail Steamship Company, was a short-lived American transatlantic shipping company that operated primarily as a mail carrier with limited passenger service from 1930 to 1937. It provided weekly sailings between the U.S. ports of Baltimore, Maryland, and Norfolk, Virginia, and the European ports of Le Havre, France, and Hamburg, Germany, with calls sometimes including Southampton or Bremen.2

Corporate structure

Baltimore Mail Steamship is part of a group headed by JPMorgan Chase. 923 entities, 35 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Acquisitions

  1. Succeeded International Mercantile Marine Company1

Timeline

  1. 1930Founded Founded1

Sources

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

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