Creator
- Hawley, Hughson, 1850-19361
- Helmle & Corbett1
- Herts & Tallant (Firm)1
- Hettel, Joseph N. (Joseph Norman), 1885-19571
- Hohauser (Wm. I.) Inc., New York1
- Hohauser, Henry, 1895-19631
- Holabird & Roche (Chicago, Ill.)1
- Holmes & Winslow1
- Hoppin & Koen1
- Hoppin, F. L. V., 1867-19411
- Horn & Hardart1
- I.M. Pei & Associates1
- Indianapolis Terra Cotta Co1
- Jallade, Louis E. (Louis Eugene), 1876-19571
- Jardine, Hill & Murdock1
- Kahn & Wilby1
- Kahn, Albert, 1869-19421
- Kansas City Terra Cotta Co1
- Keister, George1
- Koen, Terence A., 1858-19231