The collection includes materials for Springfield Brick Company, Springfield Paving Brick Company, Poston Brick Company, Poston Springfield Brick Company, Martinsville Brick Company, Moulding Brick Company, and Poston Brick and Concrete Products Company. The majority of the items are from Poston. Materials include board of directors meeting minutes, annual reports, stock certificates, patents, trademarks, product information, financial records, real estate records, and photos. Collection scope 1893-1981.