Creator
- International Graphics Inc.1
- International Note Supply Co.1
- Interstate Company1
- Irwin's Drug Store1
- J. S. Pinkussohn Co.1
- J.J.K. Copy-Art1
- J.L. Coker & Co.1
- Jacobs & Company Advertising1
- Jacobs Brothers1
- Jacobs Press1
- James J. Billick & Co.1
- Jefferies-Howell Co.1
- Jimmy Price Studios1
- Johnson's Studio1
- Joseph H. Angel1
- Kaeser & Blair1
- Kropp Co.1
- L & L Customcolor1
- L. C. Martin Drug Co.1
- L.A.W. Novelty Company1