In 1881, Andrew founded the Northwestern Stamp Company in Milwaukee and added two branches — one in St. Paul where his brother George was manager and one in Chicago with brother Theodore managing. Finding it difficult to operate in three locations, the two branches were sold and operations consolidated in Milwaukee.
On May 8, 1888, the company incorporated and changed its name to Schwaab Stamp and Seal Company...............
There came to be a total of four corporations under the Schwaab roof: the Schwaab Stamp and Seal Company, the Schwaab Engraving Company, the Schwaab Label Company, and the Schwaab Rubber Art Company. On January 1, 1973, the four corporations were combined into one — the Schwaab Stamp and Seal Company. A few months later, the company's name was changed to Schwaab, Inc.