| Owner | Count | 1.
| Carteret County Historical Society, Morehead City, North Carolina | 1 | 2.
| Carthage Post Office, Carthage, Illinois | 1 | 3.
| Carthage Public Library, Carthage, Indiana | 1 | 4.
| Carthay Circle, Los Angeles, California | 3 | 5.
| Carti Cancer Center, Little Rock, Arkansas | 4 | 6.
| Carton, W. P., Mr & Mrs, Baltimore, Maryland | 1 | 7.
| Cartwright, Carroll L. & Constance B., | 2 | 8.
| Cartwright, Emily F., Marshalltown, Iowa | 1 | 9.
| Cartwright, Jerome, Waco, Texas | 1 | 10.
| Cartwright, Joiner, Mrs, Houston, Texas | 1 |
|