- Consolidate Vultee Aircraft Corp1
- Consolidate Vultee Aircraft Corp.1
- Constant, Maurice1
- Conway Studios1
- Cook, George1
- Cornaz, O.1
- Curtiss-Wright Corporation, St. Louis Airplane Division, Robertson, Missouri, Negative Number CF-78171
- Curtiss-Wright Corporation, St. Louis Airplane Division, Robertson, Missouri. Negative Number CF-78181
- Cynthia Wofford1
- David Geney1
- Davis and Sanford1
- Detroit Publishing Company1
- Dexter Press, Inc.1
- Donnie Smith1
- Dowling, W. P.1
- Drucker-Hilbert Co.1
- E & H.T. Anthony & Co.1
- E. I. Start1
- E.M. Burton1
- Ernest Ferguson1