- Keystone View Company60
- Barnard, George N., 1819-190224
- Cooley, Sam A. (Samuel A.)8
- Engle & Furlong8
- O'Sullivan, Timothy H., 1840-18825
- Kilburn, B. W. (Benjamin West), 1827-19093
- Wilson & Co.2
- Wilson, J. N. (Jerome Nelson), 1827-18972
- Geo. Barker1
- J.L. Schaub1
- Palmer, J. A.1
- Standard Scenic Company1
- Strohmeyer & Wyman1
- Whiting View Company1