Glenn L. Martin Co. Aircraft Assembly Building

building, Baltimore, Maryland, United States

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June 29, 2026

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The Glenn L. Martin Company Aircraft Assembly Building was a facility in Middle River, Maryland, near Baltimore. This building was part of the manufacturing operations of the Glenn L. Martin Company, an American airplane inventor and manufacturer. Glenn L. Martin designed and built various aircraft, including bombers and flying boats, which were significant during World War II. The company moved its manufacturing facilities to Middle River in 1929. This site was crucial for producing aircraft that played important roles in military aviation. The Glenn L. Martin Company later merged with Lockheed Corporation in 1995 to form Lockheed Martin Corporation.12

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construction
Steel long-span construction
…meters (300 feet) in the Glenn L. Martin Co. Aircraft Assembly Building (1937) in Baltimore. Electric arc welding, another important steel technology, was applied to construction at this time, although the principle had been developed in the 1880s. The first all-welded multistory buildings were a series of factories for the…
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…meters (300 feet) in the Glenn L. Martin Co. Aircraft Assembly Building (1937) in Baltimore. Electric arc welding, another important steel technology, was applied to construction at this time, although the principle had been developed in the 1880s. The first all-welded multistory buildings were a series of factories for the…
Read More