Franklin Balmar Corporation was a fabrication company in Woodberry, Baltimore, Maryland. It was a subcontractor for the Manhattan Project

Manhattan Project

The Manhattan Project was a research and development program, led by the United States with participation from the United Kingdom and Canada, that produced the first atomic bomb during World War II. From 1942 to 1946, the project was under the direction of Major General Leslie Groves of the US Army...

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History

It was incorporated in 1917 as the Franklin Railway Supply Company. In 1954 they moved their UA Strand Division from Chicago

Chicago

Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

 to Baltimore

Baltimore

Baltimore is the largest independent city in the United States and the largest city and cultural center of the US state of Maryland. The city is located in central Maryland along the tidal portion of the Patapsco River, an arm of the Chesapeake Bay. Baltimore is sometimes referred to as Baltimore...

. They diversified into the aerospace

Aerospace

Aerospace comprises the atmosphere of Earth and surrounding space. Typically the term is used to refer to the industry that researches, designs, manufactures, operates, and maintains vehicles moving through air and space...

sector making the aluminum skin for airplanes.

In 1967, Aero-Chatillon Corporation purchased a controlling stake of the company. In 1969, with Franklin-Balmar remaining a division, Aero-Chatillon became Macrodyne-Chatillon Corporation through a merger with Macrodyne, Inc. and Shinn Industries, Inc., which became Macrodyne Industries in 1974.