Julius Bion & Co. appear to have done a lot of printing work for the United States Senate in the 1890's. This firm's name is repeated throughout their "Reports of the Public Printer". Here's the 1895 book covering 1893-1894, and in which this firm appears many times:
https://www.google.com/books/edition...C?hl=en&gbpv=0. He appears in House reports from the 1880's, did some work for the Commerce, Agriculture and State departments that are all in similar resources on Google Books. This moves us a lot closer to 1909. Bion may not be this man in the ledger but he was probably in Fullgraff's network, who was in the business at this same time and his primary career seems to have been networking.