Historic P. R. Mallory & Co. Campus (Indianapolis, Indiana)

 NRHP - National Register of Historic Places, 1920s construction, building/structure that has been renovated/restored/reconstructed

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The P. R. Mallory Building is a four-story, 120,000-square-foot complex that was once the headquarters for the P. R. Mallory Company's battery manufacturing operations.

As of June 2019, John Boner Neighborhood Centers and the Englewood Community Development Corporation are working together to redevelop the long-vacant complex. Renovations are ongoing. Once complete in late-2020, the building will be home to two public charter schools: Purdue Polytechnic High School and Paramount Schools of Excellence Englewood campus.

Besides the educational tenants, the $38 million project will also contain Farm 360, a hydroponic growing venture.

The site has a storied history. At the start of the 20th century, the site was home to baseball fields for the Indianapolis Indians and would later the site of Wonderland, an amusement park that was destroyed by fire in 1911. General Electric built the main building in 1921, but never moved in. The P. R. Mallory Company bought the administration building from GE in 1929 as a location for its tool-forging operation. Mallory, which later manufactured its trademarked Duracell battery there, expanded the complex in the 1930s and 1940s and employed 1,500 at the site by 1966.