- Coastal News Company, Inc.1
- Coleman Library, Callaway Educational Association1
- Collins Studio1
- Color Picture Publishers, Inc. (Boston, Mass.)1
- Colour Picture Publication (Boston, Mass.)1
- Colour Picture Publishers (Boston, Mass.)1
- Colour Picture Publishers, Boston, Ma1
- Colourpicture Publishers (Firm)1
- Colourpicture Publlishers, Inc. (Boston, Mass.)1
- Colourpictures Publishers Inc. (Boston, Mass.)1
- Columbian Book Store1
- Commercial Chrome1
- Commericalchrome (Cleveland Ohio)1
- Connell Studio (Valdosta, Ga.)1
- Cosco Studios1
- Culver and Kidd Drug Company1
- Curteich (Chicago,Ill.)1
- Curteichcolor (Chicago, Ill.)1
- Cutler, Henry Miles, 1901-19501
- Davis Art Studio1
