Armour, Dole & Co. was founded in 1860 by George Armour, Charles Dole, and Wesley Munger. The company owned a grain elevator at the depot of the Chicago, Burlington & Quincy Railroad with a capacity of 850,000 bushels. After the Civil War, Armour, Dole & Co. remained among the city's leading grain warehousers; their elevators had a combined capacity of 2.1 million bushels in 1871. By the early 1880s, this figure had grown to 6.3 million bushels.

This entry is part of the Encyclopedia's Dictionary of Leading Chicago Businesses (1820-2000) that was prepared by Mark R. Wilson, with additional contributions from Stephen R. Porter and Janice L. Reiff.