- J. T. & A. Hamilton2
- J. V. Fletcher1
- J. W. Beltz & Son's Co.1
- J. W. Dunning & Co.1
- J.A. Fay & Egan Co.1
- J.B. Lippincott & Co.2
- Jackson, Mandell & Daniell1
- Jacob Dold Packing Co.1
- Jacob Dux1
- Jacob Kreischer Capital City Steam Confectionery1
- Jacob L. Coles1
- James A. McCafferty & Sons Mfg. Co., Inc.1
- James Baily & Son1
- James C. Lindsay Hardware Co.1
- James E. Boyd1
- James H. Prince Paint Co.1
- James L. Norris1
- James Reynolds Elevator Co.1
- James S. Barron & Co.1
- James S. Kirk and Company3
- Janeway & Carpender2
- Jarecki Manufacturing Co.2
- Jay C. Wemple & Co.1
- Jewett & Root1
- Jewett and Sherman Co.3
- Jno. W. Ferrell Furniture Co.2
- Joel J. Baily & Co.2
- John C. MacInnes Company1
- John C. Neemes & Co.1
- John C. Tucker & Co.1
- John D. Chollar & Co.1
- John F. Stratton & Co.2
- John F. Stratton & Son1
- John G. Hodge & Co.1
- John G. Miller & Co.2
- John G. Myers1
- John H. Eddy & Co.1
- John J. Quinn1
- John Lucas & Co.3
- John P. Squire & Company3
- John S. Naylor Co.1
- John Stock Sons1
- John W. Quincy1
- Johnston & Swartz1
- Jordan Marsh Company1
- Jos W. Davis, Banker1
- Jos. Hafner1
- Jos. Schlitz Brewing Co.1
- Joseph Dixon Crucible Company2
- Joseph F. Paul2
- Joseph Horne & Co.1
- Joseph Whitcomb & Co.1
- Josiah Cummings & Son1
- Julius Berbecker & Co.2
- Julius Saul1
- Kaiserhof1
- Kane & Wright1
- Kansas City Bag Manufacturing Co.1
- Keeley Stove Company1
- Keen & De Lang's Stationery and Manufacturing Establishment1