Creator
- Schacht, Emil 9
- A. E. Doyle & Associates 8
- Clark, Frank C. 8
- Cutter, Kirtland K. 8
- Legg, Frederick A. 8
- McClaran, Elmer E. 8
- Morgan, William L. 8
- Hall, Lindsley F. 7
- Smith & Hall 7
- Muir, Alexander 6
- Bentley, Percy D. 5
- Ewart, Alexander C. 5
- Coolidge, Charles Allerton 4
- Lord & Schryver (Salem, Or.) 4
- Rutan, Charles Hercules 4
- Shepley, George Foster 4
- Shepley, Rutan & Coolidge 4
- Dukehart, John K. 2
- Dunham, George F. 2
- Johnson Wallwork & Dukehart 2