- J. & C. Walker (Firm)3
- Johnston, Alexander Keith, 1804-18713
- Merrick Company3
- Pinkerton, John, 1758-18263
- Price, Matt3
- Rocque, John, -17623
- Sidney Leiken Enterprises3
- Theo G. Meyer and Sons3
- University of California, Riverside. College of Engineering. Center for Environmental Research and Technology3
- W. & A.K. Johnston Limited3
- Wong, Florence L.3
- Wyld, James, 1812-18873
- Air Flight Services2
- Anderson, Robert M.2
- Armstrong, Andrew2
- Arrowsmith, Samuel, -18392
- Bienhoff, Paul2
- Bouchette, Joseph2
- Boulton, S.2
- Britton & Rey2
