- Charles B. Dean, Marble Hill, Ind.1
- Charles Crescelius, New Albany, Ind.1
- Charles E. Smith, Milan, Ind.; Dan Molloy, Delaware, Ind.; L. H. Schulte, Delaware, Ind.; E. J. Koechlin, Delaware, Ind.; James F. Coffee, Pierceville, Ind.; A. H. Schuck and Jerome Schuck (partners), New Trenton, Ind.; Charles Oser, Pierceville, Ind.; Leonard Hudson and James Cox (partners), Longnecker, Ind.; Henry A. Boberink, Lawrenceberg, Ind.; J. T. Plump, Pierceville, Ind.; Chris Bohlke, Milan, Ind.1
- Charles F. Binkley, trading under the name of the Binkley Medical Co., Nappanee, Ind.1
- Charles L. Huisking, Inc., acting for and on behalf of the Verandah Chemical Co.1
- Charles S. Miller, Vincennes, Ind.1
- Charles T. Wilson Co., Inc.1
- Charles Townsend & Bro., copartners, New York, N. Y.1
- Charles W. Bauermeister Co.1
- Chester J. Czarnecki, trading as C. J. Czarnecki, at South Bend, Ind.1
- Chicago Chemical Works, Chicago, Ill.1
- Chicago Feed & Fertilizer Co., a corporation, trading at Osborn, Ind.1
- Christ Kruse1
- Columbia Canning Co., Cambria, Wis.1
- Combination Remedy Co.1
- Darling & Co., Chicago, Ill.1
- Dawson Bros. Mfg. Co., Memphis, Tenn.1
- Dayton Spice Mills Company1
- Deligiannis Bros., Chicago, Ill.1
- Dermacilia Mfg. Co.1